Stop Stage, which now lives in D.S.T.Stage

Author: angerman

cabal-install-solver/src/Distribution/Solver/Modular/Package.hs

@@ -25,6 +25,7 @@ import Distribution.Pretty (prettyShow)
 
 import Distribution.Solver.Modular.Version
 import Distribution.Solver.Types.PackagePath
+import Distribution.Solver.Types.Stage (Stage (..))
 
 -- | A package name.
 type PN = PackageName
@@ -50,10 +51,6 @@ type PId = UnitId
 data Loc = Inst PId | InRepo
   deriving (Eq, Ord, Show)
 
--- | Stage. A stage in the build process.
-data Stage = Build | Host
-  deriving (Eq, Ord, Show)
-
 showStage :: Stage -> String
 showStage Build = "[build]"
 showStage Host  = "[host ]"