Remove temporary EventEngine initialization function (#30121)

* Remove temporary EventEngine initialization function

* Automated change: Fix sanity tests

Co-authored-by: drfloob <drfloob@users.noreply.github.com>

src/core/lib/event_engine/event_engine.cc

@@ -20,9 +20,7 @@
 
 #include <grpc/event_engine/event_engine.h>
 
-#include "src/core/lib/debug/trace.h"
 #include "src/core/lib/event_engine/event_engine_factory.h"
-#include "src/core/lib/event_engine/trace.h"
 
 namespace grpc_event_engine {
 namespace experimental {
@@ -65,12 +63,5 @@ void ResetDefaultEventEngine() {
   delete g_event_engine.exchange(nullptr, std::memory_order_acq_rel);
 }
 
-void InitializeEventEngine() {
-  GetDefaultEventEngine()->Run([]() {
-    GRPC_EVENT_ENGINE_TRACE("EventEngine:%p initialized",
-                            GetDefaultEventEngine());
-  });
-}
-
 }  // namespace experimental
 }  // namespace grpc_event_engine

src/core/lib/event_engine/event_engine_factory.h

@@ -35,9 +35,6 @@ std::unique_ptr<EventEngine> DefaultEventEngineFactory();
 /// Reset the default event engine
 void ResetDefaultEventEngine();
 
-// TODO(hork): remove this when any other EE usage is landed
-void InitializeEventEngine();
-
 }  // namespace experimental
 }  // namespace grpc_event_engine