remove warnings

Source/cmProjectCommand.cxx

@@ -51,8 +51,6 @@ bool cmProjectCommand::InitialPass(std::vector<std::string> const& args)
   std::vector<std::string> languages;
   if(args.size() > 1)
     {
-    bool hasCXX = false;
-    bool hasC = false;
     for(size_t i =1; i < args.size(); ++i)
       {
       languages.push_back(args[i]);