[clang][FE] Remove duplicate preprocessor defines of HIP memory scope (#12871)

Author: GeorgeWeb

clang/lib/Frontend/InitPreprocessor.cpp

@@ -615,11 +615,6 @@ static void InitializeStandardPredefinedMacros(const TargetInfo &TI,
   if (LangOpts.HIP) {
     Builder.defineMacro("__HIP__");
     Builder.defineMacro("__HIPCC__");
-    Builder.defineMacro("__HIP_MEMORY_SCOPE_SINGLETHREAD", "1");
-    Builder.defineMacro("__HIP_MEMORY_SCOPE_WAVEFRONT", "2");
-    Builder.defineMacro("__HIP_MEMORY_SCOPE_WORKGROUP", "3");
-    Builder.defineMacro("__HIP_MEMORY_SCOPE_AGENT", "4");
-    Builder.defineMacro("__HIP_MEMORY_SCOPE_SYSTEM", "5");
     if (LangOpts.HIPStdPar) {
       Builder.defineMacro("__HIPSTDPAR__");
       if (LangOpts.HIPStdParInterposeAlloc)