Remove dead code for generated code coverage.

src/mips/macro-assembler-mips.h

Index: src/mips/macro-assembler-mips.h
diff --git a/src/mips/macro-assembler-mips.h b/src/mips/macro-assembler-mips.h
index 1b7811017be2f17feafb26a72a13caef3fb3f343..1e60bea2e9215c39eda582cc6ba74cbef0d229a3 100644
--- a/src/mips/macro-assembler-mips.h
+++ b/src/mips/macro-assembler-mips.h
@@ -1916,14 +1916,7 @@ 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