revert setting of optimizations
revert setting of optimizations

cston/roslyn,KevinRansom/roslyn,brettfo/roslyn,akrisiun/roslyn,OmarTawfik/roslyn,mmitche/roslyn,bkoelman/roslyn,AmadeusW/roslyn,khyperia/roslyn,TyOverby/roslyn,davkean/roslyn,reaction1989/roslyn,KevinRansom/roslyn,robinsedlaczek/roslyn,bkoelman/roslyn,kelltrick/roslyn,agocke/roslyn,DustinCampbell/roslyn,MichalStrehovsky/roslyn,genlu/roslyn,xasx/roslyn,jcouv/roslyn,dpoeschl/roslyn,lorcanmooney/roslyn,CaptainHayashi/roslyn,tvand7093/roslyn,jamesqo/roslyn,CyrusNajmabadi/roslyn,stephentoub/roslyn,gafter/roslyn,dpoeschl/roslyn,DustinCampbell/roslyn,swaroop-sridhar/roslyn,davkean/roslyn,mgoertz-msft/roslyn,physhi/roslyn,MichalStrehovsky/roslyn,tmat/roslyn,swaroop-sridhar/roslyn,TyOverby/roslyn,amcasey/roslyn,tvand7093/roslyn,amcasey/roslyn,jasonmalinowski/roslyn,jcouv/roslyn,sharwell/roslyn,Giftednewt/roslyn,dotnet/roslyn,tmat/roslyn,yeaicc/roslyn,mgoertz-msft/roslyn,paulvanbrenk/roslyn,Hosch250/roslyn,mattscheffer/roslyn,tmeschter/roslyn,AmadeusW/roslyn,cston/roslyn,brettfo/roslyn,nguerrera/roslyn,jeffanders/roslyn,shyamnamboodiripad/roslyn,dotnet/roslyn,pdelvo/roslyn,robinsedlaczek/roslyn,ErikSchierboom/roslyn,srivatsn/roslyn,KirillOsenkov/roslyn,MattWindsor91/roslyn,akrisiun/roslyn,reaction1989/roslyn,bkoelman/roslyn,abock/roslyn,reaction1989/roslyn,physhi/roslyn,jmarolf/roslyn,jeffanders/roslyn,mattscheffer/roslyn,bartdesmet/roslyn,jkotas/roslyn,pdelvo/roslyn,swaroop-sridhar/roslyn,VSadov/roslyn,stephentoub/roslyn,amcasey/roslyn,lorcanmooney/roslyn,lorcanmooney/roslyn,KevinRansom/roslyn,bartdesmet/roslyn,AlekseyTs/roslyn,jmarolf/roslyn,TyOverby/roslyn,yeaicc/roslyn,Giftednewt/roslyn,robinsedlaczek/roslyn,jeffanders/roslyn,CaptainHayashi/roslyn,weltkante/roslyn,zooba/roslyn,drognanar/roslyn,aelij/roslyn,mattwar/roslyn,Hosch250/roslyn,mavasani/roslyn,diryboy/roslyn,stephentoub/roslyn,orthoxerox/roslyn,wvdd007/roslyn,Hosch250/roslyn,tmat/roslyn,xasx/roslyn,eriawan/roslyn,jamesqo/roslyn,eriawan/roslyn,cston/roslyn,genlu/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,MattWindsor91/roslyn,khyperia/roslyn,xasx/roslyn,tannergooding/roslyn,mavasani/roslyn,panopticoncentral/roslyn,zooba/roslyn,MattWindsor91/roslyn,dotnet/roslyn,Giftednewt/roslyn,AnthonyDGreen/roslyn,abock/roslyn,tmeschter/roslyn,physhi/roslyn,diryboy/roslyn,ErikSchierboom/roslyn,jasonmalinowski/roslyn,mmitche/roslyn,gafter/roslyn,DustinCampbell/roslyn,wvdd007/roslyn,jcouv/roslyn,mattscheffer/roslyn,OmarTawfik/roslyn,tannergooding/roslyn,kelltrick/roslyn,shyamnamboodiripad/roslyn,paulvanbrenk/roslyn,sharwell/roslyn,panopticoncentral/roslyn,gafter/roslyn,KirillOsenkov/roslyn,mgoertz-msft/roslyn,OmarTawfik/roslyn,pdelvo/roslyn,jamesqo/roslyn,tmeschter/roslyn,MattWindsor91/roslyn,orthoxerox/roslyn,AlekseyTs/roslyn,agocke/roslyn,AnthonyDGreen/roslyn,abock/roslyn,shyamnamboodiripad/roslyn,jasonmalinowski/roslyn,jkotas/roslyn,mmitche/roslyn,MichalStrehovsky/roslyn,ErikSchierboom/roslyn,AlekseyTs/roslyn,mattwar/roslyn,srivatsn/roslyn,brettfo/roslyn,CyrusNajmabadi/roslyn,heejaechang/roslyn,VSadov/roslyn,aelij/roslyn,jmarolf/roslyn,khyperia/roslyn,tannergooding/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,mattwar/roslyn,mavasani/roslyn,agocke/roslyn,yeaicc/roslyn,bartdesmet/roslyn,AnthonyDGreen/roslyn,paulvanbrenk/roslyn,nguerrera/roslyn,tvand7093/roslyn,davkean/roslyn,weltkante/roslyn,diryboy/roslyn,orthoxerox/roslyn,aelij/roslyn,weltkante/roslyn,drognanar/roslyn,jkotas/roslyn,genlu/roslyn,CaptainHayashi/roslyn,nguerrera/roslyn,dpoeschl/roslyn,heejaechang/roslyn,srivatsn/roslyn,AdamSpeight2008/roslyn-AdamSpeight2008,drognanar/roslyn,wvdd007/roslyn,sharwell/roslyn,heejaechang/roslyn,panopticoncentral/roslyn,eriawan/roslyn,zooba/roslyn,AmadeusW/roslyn,kelltrick/roslyn,VSadov/roslyn,akrisiun/roslyn,CyrusNajmabadi/roslyn,KirillOsenkov/roslyn