[experiment] Remove work_stealing experiment configuration (#34468)

Cleanup after https://github.com/grpc/grpc/pull/34315

bazel/experiments.bzl

@@ -59,9 +59,6 @@ EXPERIMENTS = {
             ],
         },
         "on": {
-            "core_end2end_test": [
-                "work_stealing",
-            ],
             "cpp_lb_end2end_test": [
                 "round_robin_delegate_to_pick_first",
                 "wrr_delegate_to_pick_first",
@@ -124,9 +121,6 @@ EXPERIMENTS = {
             ],
         },
         "on": {
-            "core_end2end_test": [
-                "work_stealing",
-            ],
             "cpp_lb_end2end_test": [
                 "round_robin_delegate_to_pick_first",
                 "wrr_delegate_to_pick_first",
@@ -199,9 +193,6 @@ EXPERIMENTS = {
             ],
         },
         "on": {
-            "core_end2end_test": [
-                "work_stealing",
-            ],
             "cpp_lb_end2end_test": [
                 "round_robin_delegate_to_pick_first",
                 "wrr_delegate_to_pick_first",

src/core/lib/experiments/experiments.cc

@@ -73,9 +73,6 @@ const char* const additional_constraints_trace_record_callops = "{}";
 const char* const description_event_engine_dns =
     "If set, use EventEngine DNSResolver for client channel resolution";
 const char* const additional_constraints_event_engine_dns = "{}";
-const char* const description_work_stealing =
-    "If set, use a work stealing thread pool implementation in EventEngine";
-const char* const additional_constraints_work_stealing = "{}";
 const char* const description_client_privacy = "If set, client privacy";
 const char* const additional_constraints_client_privacy = "{}";
 const char* const description_canary_client_privacy =
@@ -157,8 +154,6 @@ const ExperimentMetadata g_experiment_metadata[] = {
      additional_constraints_trace_record_callops, false, true},
     {"event_engine_dns", description_event_engine_dns,
      additional_constraints_event_engine_dns, false, false},
-    {"work_stealing", description_work_stealing,
-     additional_constraints_work_stealing, true, false},
     {"client_privacy", description_client_privacy,
      additional_constraints_client_privacy, false, false},
     {"canary_client_privacy", description_canary_client_privacy,
@@ -243,9 +238,6 @@ const char* const additional_constraints_trace_record_callops = "{}";
 const char* const description_event_engine_dns =
     "If set, use EventEngine DNSResolver for client channel resolution";
 const char* const additional_constraints_event_engine_dns = "{}";
-const char* const description_work_stealing =
-    "If set, use a work stealing thread pool implementation in EventEngine";
-const char* const additional_constraints_work_stealing = "{}";
 const char* const description_client_privacy = "If set, client privacy";
 const char* const additional_constraints_client_privacy = "{}";
 const char* const description_canary_client_privacy =
@@ -327,8 +319,6 @@ const ExperimentMetadata g_experiment_metadata[] = {
      additional_constraints_trace_record_callops, false, true},
     {"event_engine_dns", description_event_engine_dns,
      additional_constraints_event_engine_dns, false, false},
-    {"work_stealing", description_work_stealing,
-     additional_constraints_work_stealing, true, false},
     {"client_privacy", description_client_privacy,
      additional_constraints_client_privacy, false, false},
     {"canary_client_privacy", description_canary_client_privacy,
@@ -413,9 +403,6 @@ const char* const additional_constraints_trace_record_callops = "{}";
 const char* const description_event_engine_dns =
     "If set, use EventEngine DNSResolver for client channel resolution";
 const char* const additional_constraints_event_engine_dns = "{}";
-const char* const description_work_stealing =
-    "If set, use a work stealing thread pool implementation in EventEngine";
-const char* const additional_constraints_work_stealing = "{}";
 const char* const description_client_privacy = "If set, client privacy";
 const char* const additional_constraints_client_privacy = "{}";
 const char* const description_canary_client_privacy =
@@ -497,8 +484,6 @@ const ExperimentMetadata g_experiment_metadata[] = {
      additional_constraints_trace_record_callops, false, true},
     {"event_engine_dns", description_event_engine_dns,
      additional_constraints_event_engine_dns, false, false},
-    {"work_stealing", description_work_stealing,
-     additional_constraints_work_stealing, true, false},
     {"client_privacy", description_client_privacy,
      additional_constraints_client_privacy, false, false},
     {"canary_client_privacy", description_canary_client_privacy,

src/core/lib/experiments/experiments.h

@@ -72,8 +72,6 @@ inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
 inline bool IsTraceRecordCallopsEnabled() { return false; }
 inline bool IsEventEngineDnsEnabled() { return false; }
-#define GRPC_EXPERIMENT_IS_INCLUDED_WORK_STEALING
-inline bool IsWorkStealingEnabled() { return true; }
 inline bool IsClientPrivacyEnabled() { return false; }
 inline bool IsCanaryClientPrivacyEnabled() { return false; }
 inline bool IsServerPrivacyEnabled() { return false; }
@@ -109,8 +107,6 @@ inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
 inline bool IsTraceRecordCallopsEnabled() { return false; }
 inline bool IsEventEngineDnsEnabled() { return false; }
-#define GRPC_EXPERIMENT_IS_INCLUDED_WORK_STEALING
-inline bool IsWorkStealingEnabled() { return true; }
 inline bool IsClientPrivacyEnabled() { return false; }
 inline bool IsCanaryClientPrivacyEnabled() { return false; }
 inline bool IsServerPrivacyEnabled() { return false; }
@@ -146,8 +142,6 @@ inline bool IsEventEngineListenerEnabled() { return false; }
 inline bool IsScheduleCancellationOverWriteEnabled() { return false; }
 inline bool IsTraceRecordCallopsEnabled() { return false; }
 inline bool IsEventEngineDnsEnabled() { return false; }
-#define GRPC_EXPERIMENT_IS_INCLUDED_WORK_STEALING
-inline bool IsWorkStealingEnabled() { return true; }
 inline bool IsClientPrivacyEnabled() { return false; }
 inline bool IsCanaryClientPrivacyEnabled() { return false; }
 inline bool IsServerPrivacyEnabled() { return false; }
@@ -184,7 +178,6 @@ enum ExperimentIds {
   kExperimentIdScheduleCancellationOverWrite,
   kExperimentIdTraceRecordCallops,
   kExperimentIdEventEngineDns,
-  kExperimentIdWorkStealing,
   kExperimentIdClientPrivacy,
   kExperimentIdCanaryClientPrivacy,
   kExperimentIdServerPrivacy,
@@ -255,10 +248,6 @@ inline bool IsTraceRecordCallopsEnabled() {
 inline bool IsEventEngineDnsEnabled() {
   return IsExperimentEnabled(kExperimentIdEventEngineDns);
 }
-#define GRPC_EXPERIMENT_IS_INCLUDED_WORK_STEALING
-inline bool IsWorkStealingEnabled() {
-  return IsExperimentEnabled(kExperimentIdWorkStealing);
-}
 #define GRPC_EXPERIMENT_IS_INCLUDED_CLIENT_PRIVACY
 inline bool IsClientPrivacyEnabled() {
   return IsExperimentEnabled(kExperimentIdClientPrivacy);

src/core/lib/experiments/experiments.yaml

@@ -118,13 +118,6 @@
   owner: yijiem@google.com
   test_tags: ["cancel_ares_query_test", "resolver_component_tests_runner_invoker"]
   allow_in_fuzzing_config: false
-- name: work_stealing
-  description:
-    If set, use a work stealing thread pool implementation in EventEngine
-  expiry: 2023/11/01
-  owner: hork@google.com
-  test_tags: ["core_end2end_test"]
-  allow_in_fuzzing_config: false
 - name: client_privacy
   description:
     If set, client privacy

src/core/lib/experiments/rollouts.yaml

@@ -76,8 +76,6 @@
     # TODO(yijiem): resolve when the WindowsEventEngine DNS Resolver is
     # implemented
     windows: broken
-- name: work_stealing
-  default: true
 - name: work_serializer_dispatch
   default: false
 - name: client_privacy