Revert "Add Microsoft.VisualStudio.GraphModel dependency"
Revert "Add Microsoft.VisualStudio.GraphModel dependency"

This reverts commit b46607c35fbc0aa3d2233c3526b2aa979b7242ab.

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