[Tracing] Remove deprecated AddTraceEvent

src/libplatform/default-platform.cc

Index: src/libplatform/default-platform.cc
diff --git a/src/libplatform/default-platform.cc b/src/libplatform/default-platform.cc
index 50d8aa766a10d9b36513582ddb614783eab7a1f4..3d188f1841d13f17ffd3edaed0e35f94d471aca7 100644
--- a/src/libplatform/default-platform.cc
+++ b/src/libplatform/default-platform.cc
@@ -179,15 +179,6 @@ uint64_t DefaultPlatform::AddTraceEvent(
 }
 
 
-// TODO(fmeawad): Remove once all embedders implement the scope version.
-uint64_t DefaultPlatform::AddTraceEvent(
-    char phase, const uint8_t* category_enabled_flag, const char* name,
-    uint64_t id, uint64_t bind_id, int num_args, const char** arg_names,
-    const uint8_t* arg_types, const uint64_t* arg_values, unsigned int flags) {
-  return 0;
-}
-
-
 void DefaultPlatform::UpdateTraceEventDuration(
     const uint8_t* category_enabled_flag, const char* name, uint64_t handle) {}