Remove registered_methods_map experiment

src/core/lib/experiments/experiments.yaml

@@ -171,12 +171,6 @@
   expiry: 2024/03/31
   owner: yashkt@google.com
   test_tags: ["surface_registered_method_lookup"]
-- name: registered_methods_map
-  description:
-    Use absl::flat_hash_map for registered methods.
-  expiry: 2024/01/31
-  owner: alishananda@google.com
-  test_tags: []
 - name: rfc_max_concurrent_streams
   description:
     If set, enable rfc-compliant behavior (cancellation) in the advent that

src/core/lib/experiments/rollouts.yaml

@@ -92,8 +92,6 @@
   default: false
 - name: registered_method_lookup_in_transport
   default: true
-- name: registered_methods_map
-  default: false
 - name: rfc_max_concurrent_streams
   default: false
 - name: round_robin_delegate_to_pick_first