Remove the self-upgrade check.
Remove the self-upgrade check.

Fixes #2089.

sopvop/cabal,trskop/cabal,trskop/cabal,Heather/cabal,x-y-z/cabal,garetxe/cabal,eric-stanley/cabal,plow-technologies/cabal,gridaphobe/cabal,Helkafen/cabal,valderman/cabal,sopvop/cabal,lukexi/cabal,typelead/epm,anton-dessiatov/cabal,sopvop/cabal,mightybyte/cabal,martinvlk/cabal,enolan/cabal,kolmodin/cabal,randen/cabal,rimmington/cabal,triplepointfive/cabal,mydaum/cabal,christiaanb/cabal,thoughtpolice/cabal,themoritz/cabal,edsko/cabal,plumlife/cabal,thoughtpolice/cabal,fugyk/cabal,gridaphobe/cabal,corngood/cabal,edsko/cabal,enolan/cabal,x-y-z/cabal,christiaanb/cabal,bennofs/cabal,valderman/cabal,ian-ross/cabal,beni55/cabal,seereason/cabal,rimmington/cabal,lukexi/cabal,kolmodin/cabal,Peaker/cabal,headprogrammingczar/cabal,thomie/cabal,mightybyte/cabal,mydaum/cabal,headprogrammingczar/cabal,randen/cabal,kosmikus/cabal,Peaker/cabal,Heather/cabal,plumlife/cabal,Helkafen/cabal,eric-stanley/cabal,anton-dessiatov/cabal,themoritz/cabal,corngood/cabal,themoritz/cabal,fugyk/cabal,thomie/cabal,bennofs/cabal,typelead/epm,ghc-android/cabal,seereason/cabal,ghc-android/cabal,mmakowski/cabal,beni55/cabal,garetxe/cabal,gbaz/cabal,mmakowski/cabal,kosmikus/cabal,ian-ross/cabal,gbaz/cabal,martinvlk/cabal,plow-technologies/cabal,triplepointfive/cabal