Disable soon to be deprecated APIs per default for v8

test/cctest/test-incremental-marking.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// TODO(jochen): Remove this after the setting is turned on globally.
-#define V8_IMMINENT_DEPRECATION_WARNINGS
-
 #include <stdlib.h>
 
 #ifdef __linux__
 #include <errno.h>
 #include <fcntl.h>
 #include <sys/stat.h>
 #include <sys/types.h>
 #include <unistd.h>
 #endif
 
@@ skipping 150 matching lines @@
   while (!marking->IsStopped() && platform.PendingDelayedTask()) {
     platform.PerformDelayedTask();
   }
   // There could be pending delayed task from memory reducer after GC finishes.
   CHECK(marking->IsStopped());
   i::V8::SetPlatformForTesting(old_platform);
 }
 
 }  // namespace internal
 }  // namespace v8