Revert of Add a trace-event for each runtime-stats timer

src/tracing/trace-event.h

Index: src/tracing/trace-event.h
diff --git a/src/tracing/trace-event.h b/src/tracing/trace-event.h
index 9c3977e50527bc4e2665a796f3c6e51ba21258cc..2b3bf9bf92cca8fc5524ee1e644057d43795a0f1 100644
--- a/src/tracing/trace-event.h
+++ b/src/tracing/trace-event.h
@@ -292,8 +292,6 @@
 const decltype(nullptr) kGlobalScope = nullptr;
 const uint64_t kNoId = 0;
 
-extern int kRuntimeCallsTracingEnabled;
-
 class TraceEventHelper {
  public:
   static v8::Platform* GetCurrentPlatform();
@@ -596,25 +594,4 @@
 }  // namespace internal
 }  // namespace v8
 
-// V8 Specific macros
-#define TRACE_IS_RUNTIME_CALLS_TRACING_ENABLED() \
-  v8::internal::tracing::kRuntimeCallsTracingEnabled == 1
-
-#define TRACE_CHECK_AND_SET_RUNTIME_CALLS_TRACING()                           \
-  do {                                                                        \
-    INTERNAL_TRACE_EVENT_GET_CATEGORY_INFO(                                   \
-        TRACE_DISABLED_BY_DEFAULT("v8.runtime"));                             \
-    v8::internal::tracing::kRuntimeCallsTracingEnabled =                      \
-        INTERNAL_TRACE_EVENT_CATEGORY_GROUP_ENABLED_FOR_RECORDING_MODE() ? 1  \
-                                                                         : 0; \
-  } while (0)
-
-#define TRACE_RUNTIME_CALL(name)                                               \
-  do {                                                                         \
-    if (V8_UNLIKELY(TRACE_IS_RUNTIME_CALLS_TRACING_ENABLED())) {               \
-      INTERNAL_TRACE_EVENT_ADD_SCOPED(TRACE_DISABLED_BY_DEFAULT("v8.runtime"), \
-                                      name);                                   \
-    }                                                                          \
-  } while (0)
-
 #endif  // SRC_TRACING_TRACE_EVENT_H_