Remove unnecessary default cases in switches that cover all enum values.

llvm-svn: 147855

llvm/tools/llvm-mc/Disassembler.cpp

@@ -295,7 +295,6 @@ int Disassembler::disassembleEnhanced(const std::string &TS,
         Out << operandIndex << "-";
 
       switch (token->type()) {
-      default: Out << "?"; break;
       case EDToken::kTokenWhitespace: Out << "w"; break;
       case EDToken::kTokenPunctuation: Out << "p"; break;
       case EDToken::kTokenOpcode: Out << "o"; break;