[clang] Remove commas at the end of enumerator lists [NFC]

/llvm-project/clang/include/clang-c/Index.h:2984:28:
error: commas at the end of enumerator lists are a C99-specific feature [-Werror,-Wc99-extensions]
  CXType_HLSLResource = 179,
                           ^
1 error generated.

Author: DamonFool

clang/include/clang-c/Index.h

@@ -2981,7 +2981,7 @@ enum CXTypeKind {
   CXType_BTFTagAttributed = 178,
 
   // HLSL Intangible Types
-  CXType_HLSLResource = 179,
+  CXType_HLSLResource = 179
 };
 
 /**