Remove dead code for generated code coverage.

src/mips64/macro-assembler-mips64.h

Index: src/mips64/macro-assembler-mips64.h
diff --git a/src/mips64/macro-assembler-mips64.h b/src/mips64/macro-assembler-mips64.h
index ab0cd7bd222b3881908dc22fd3cfd833320e1e6f..eb7cd93d551b1ab5b5143b9db9b95759acfd2897 100644
--- a/src/mips64/macro-assembler-mips64.h
+++ b/src/mips64/macro-assembler-mips64.h
@@ -2057,14 +2057,7 @@ void MacroAssembler::GenerateSwitchTable(Register index, size_t case_count,
   }
 }
 
-#ifdef GENERATED_CODE_COVERAGE
-#define CODE_COVERAGE_STRINGIFY(x) #x
-#define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x)
-#define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__)
-#define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm->
-#else
 #define ACCESS_MASM(masm) masm->
-#endif
 
 }  // namespace internal
 }  // namespace v8