Update UtestPlatform.cpp
Update UtestPlatform.cpp

removed reference to GCC compiler
offa/cpputest,cpputest/cpputest,basvodde/cpputest,offa/cpputest,cpputest/cpputest,offa/cpputest,offa/cpputest,basvodde/cpputest,cpputest/cpputest,basvodde/cpputest,cpputest/cpputest,basvodde/cpputest