remove leftover commented out code

Author: alanzhao1

clang/tools/driver/cc1_main.cpp

@@ -296,7 +296,6 @@ int cc1_main(ArrayRef<const char *> Argv, const char *Argv0, void *MainAddr) {
 
   // If any timers were active but haven't been destroyed yet, print their
   // results now.  This happens in -disable-free mode.
-  // llvm::TimerGroup::printAll(llvm::errs());
   if (Clang->getCodeGenOpts().TimePassesJson) {
     llvm::errs() << "{\n";
     llvm::TimerGroup::printAllJSONValues(llvm::errs(), "");