Remove unreachable statement

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174811 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/Basic/CharInfo.h

@@ -124,7 +124,6 @@ LLVM_READONLY static inline bool isAlphanumeric(unsigned char c) {
 LLVM_READONLY static inline bool isHexDigit(unsigned char c) {
   using namespace charinfo;
   return (InfoTable[c] & (CHAR_DIGIT|CHAR_XLETTER)) != 0;
-    return true;
 }
 
 /// Return true if this character is an ASCII punctuation character.