Revert "use default framework qt on mac"
Revert "use default framework qt on mac"

This reverts commit eee25669f67395e276c060bcd31e3423d2017442.

vbelakov/rstudio,suribes/rstudio,tbarrongh/rstudio,JanMarvin/rstudio,pssguy/rstudio,JanMarvin/rstudio,thklaus/rstudio,githubfun/rstudio,thklaus/rstudio,sfloresm/rstudio,piersharding/rstudio,thklaus/rstudio,more1/rstudio,tbarrongh/rstudio,john-r-mcpherson/rstudio,maligulzar/Rstudio-instrumented,sfloresm/rstudio,pssguy/rstudio,john-r-mcpherson/rstudio,edrogers/rstudio,JanMarvin/rstudio,pssguy/rstudio,jrnold/rstudio,githubfun/rstudio,thklaus/rstudio,nvoron23/rstudio,jrnold/rstudio,maligulzar/Rstudio-instrumented,suribes/rstudio,JanMarvin/rstudio,vbelakov/rstudio,piersharding/rstudio,edrogers/rstudio,nvoron23/rstudio,tbarrongh/rstudio,more1/rstudio,brsimioni/rstudio,jar1karp/rstudio,john-r-mcpherson/rstudio,pssguy/rstudio,vbelakov/rstudio,githubfun/rstudio,tbarrongh/rstudio,more1/rstudio,suribes/rstudio,john-r-mcpherson/rstudio,maligulzar/Rstudio-instrumented,brsimioni/rstudio,jar1karp/rstudio,jrnold/rstudio,jar1karp/rstudio,jrnold/rstudio,githubfun/rstudio,jzhu8803/rstudio,brsimioni/rstudio,jzhu8803/rstudio,nvoron23/rstudio,piersharding/rstudio,nvoron23/rstudio,edrogers/rstudio,piersharding/rstudio,maligulzar/Rstudio-instrumented,JanMarvin/rstudio,tbarrongh/rstudio,pssguy/rstudio,jzhu8803/rstudio,edrogers/rstudio,brsimioni/rstudio,jar1karp/rstudio,jar1karp/rstudio,sfloresm/rstudio,piersharding/rstudio,jzhu8803/rstudio,jrnold/rstudio,sfloresm/rstudio,thklaus/rstudio,edrogers/rstudio,john-r-mcpherson/rstudio,john-r-mcpherson/rstudio,jzhu8803/rstudio,john-r-mcpherson/rstudio,piersharding/rstudio,more1/rstudio,jar1karp/rstudio,jar1karp/rstudio,thklaus/rstudio,nvoron23/rstudio,JanMarvin/rstudio,maligulzar/Rstudio-instrumented,githubfun/rstudio,jrnold/rstudio,githubfun/rstudio,maligulzar/Rstudio-instrumented,more1/rstudio,brsimioni/rstudio,nvoron23/rstudio,vbelakov/rstudio,tbarrongh/rstudio,suribes/rstudio,edrogers/rstudio,thklaus/rstudio,jzhu8803/rstudio,sfloresm/rstudio,pssguy/rstudio,more1/rstudio,vbelakov/rstudio,john-r-mcpherson/rstudio,suribes/rstudio,jar1karp/rstudio,piersharding/rstudio,piersharding/rstudio,jrnold/rstudio,brsimioni/rstudio,vbelakov/rstudio,pssguy/rstudio,JanMarvin/rstudio,vbelakov/rstudio,suribes/rstudio,githubfun/rstudio,vbelakov/rstudio,JanMarvin/rstudio,nvoron23/rstudio,sfloresm/rstudio,JanMarvin/rstudio,piersharding/rstudio,suribes/rstudio,sfloresm/rstudio,jrnold/rstudio,maligulzar/Rstudio-instrumented,githubfun/rstudio,more1/rstudio,maligulzar/Rstudio-instrumented,edrogers/rstudio,brsimioni/rstudio,tbarrongh/rstudio,jzhu8803/rstudio,tbarrongh/rstudio,more1/rstudio,edrogers/rstudio,suribes/rstudio,sfloresm/rstudio,jzhu8803/rstudio,brsimioni/rstudio,pssguy/rstudio,jrnold/rstudio,maligulzar/Rstudio-instrumented,jar1karp/rstudio,thklaus/rstudio