Remove OProfile support. We have Linux Perf support,

src/code-stubs.cc

Index: src/code-stubs.cc
diff --git a/src/code-stubs.cc b/src/code-stubs.cc
index 69f8477f89763c57c2c33bf3c975023f24966f30..ba77b21c6033d01b8d629f367849e1aa014d8efb 100644
--- a/src/code-stubs.cc
+++ b/src/code-stubs.cc
@@ -32,7 +32,6 @@
 #include "factory.h"
 #include "gdb-jit.h"
 #include "macro-assembler.h"
-#include "oprofile-agent.h"
 
 namespace v8 {
 namespace internal {
@@ -63,9 +62,6 @@ void CodeStub::GenerateCode(MacroAssembler* masm) {
 void CodeStub::RecordCodeGeneration(Code* code, MacroAssembler* masm) {
   code->set_major_key(MajorKey());
 
-  OPROFILE(CreateNativeCodeRegion(GetName(),
-                                  code->instruction_start(),
-                                  code->instruction_size()));
   PROFILE(CodeCreateEvent(Logger::STUB_TAG, code, GetName()));
   GDBJIT(AddCode(GDBJITInterface::STUB, GetName(), code));
   Counters::total_stubs_code_size.Increment(code->instruction_size());