Revert "Send SIGPROF signals on the profiler event processor thread"

src/platform-win32.cc

Index: src/platform-win32.cc
diff --git a/src/platform-win32.cc b/src/platform-win32.cc
index b91f2a69d9eaf2166ad0d255339e23e080630ddd..66dbade78fc1d34820b7dbaa67be66a5349d2712 100644
--- a/src/platform-win32.cc
+++ b/src/platform-win32.cc
@@ -2153,21 +2153,4 @@ void Sampler::Stop() {
 }
 
 
-bool Sampler::CanSampleOnProfilerEventsProcessorThread() {
-  return false;
-}
-
-
-void Sampler::DoSample() {
-}
-
-
-void Sampler::StartProfiling() {
-}
-
-
-void Sampler::StopProfiling() {
-}
-
-
 } }  // namespace v8::internal