Remove the ability to compile without logging and profiling

src/platform-nullos.cc

Index: src/platform-nullos.cc
diff --git a/src/platform-nullos.cc b/src/platform-nullos.cc
index 93425576696cb22be185e6c4f31c528651d29c65..08480ca800f5cabf86569fada3048c9fabb11e6c 100644
--- a/src/platform-nullos.cc
+++ b/src/platform-nullos.cc
@@ -423,7 +423,6 @@ Semaphore* OS::CreateSemaphore(int count) {
   return new NullSemaphore(count);
 }
 
-#ifdef ENABLE_LOGGING_AND_PROFILING
 
 class ProfileSampler::PlatformData  : public Malloced {
  public:
@@ -458,6 +457,5 @@ void ProfileSampler::Stop() {
   UNIMPLEMENTED();
 }
 
-#endif  // ENABLE_LOGGING_AND_PROFILING
 
 } }  // namespace v8::internal