Distribution.Simple.Setup: remove job cap
Distribution.Simple.Setup: remove job cap

Fixes #3191.

themoritz/cabal,themoritz/cabal,gbaz/cabal,garetxe/cabal,kolmodin/cabal,thomie/cabal,kolmodin/cabal,mydaum/cabal,bennofs/cabal,mydaum/cabal,sopvop/cabal,themoritz/cabal,gbaz/cabal,Heather/cabal,headprogrammingczar/cabal,Heather/cabal,bennofs/cabal,headprogrammingczar/cabal,thomie/cabal,garetxe/cabal,sopvop/cabal,sopvop/cabal