Fix HLint nits

Author: 9999years

cabal-install-solver/src/Distribution/Solver/Types/NamedPackage.hs

@@ -1,6 +1,4 @@
-{-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE DeriveGeneric #-}
-{-# LANGUAGE DeriveFunctor #-}
 
 module Distribution.Solver.Types.NamedPackage
   ( NamedPackage (..)

cabal-install-solver/src/Distribution/Solver/Types/WithConstraintSource.hs

@@ -1,5 +1,3 @@
-{-# LANGUAGE DeriveFoldable #-}
-{-# LANGUAGE DeriveFunctor #-}
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE DeriveTraversable #-}
 {-# LANGUAGE NamedFieldPuns #-}

cabal-install/src/Distribution/Client/ScriptUtils.hs

@@ -1,4 +1,3 @@
-{-# LANGUAGE LambdaCase #-}
 {-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE OverloadedStrings #-}
 {-# LANGUAGE RecordWildCards #-}

cabal-install/src/Distribution/Client/Setup.hs

@@ -1,6 +1,5 @@
 {-# LANGUAGE DeriveGeneric #-}
 {-# LANGUAGE LambdaCase #-}
-{-# LANGUAGE NamedFieldPuns #-}
 {-# LANGUAGE RankNTypes #-}
 {-# LANGUAGE ScopedTypeVariables #-}
 

cabal-install/tests/UnitTests/Distribution/Client/ArbitraryInstances.hs

@@ -1,7 +1,6 @@
 {-# LANGUAGE FlexibleContexts #-}
 {-# LANGUAGE GADTs #-}
 {-# LANGUAGE TypeApplications #-}
-{-# LANGUAGE TypeOperators #-}
 {-# OPTIONS_GHC -fno-warn-orphans #-}
 
 module UnitTests.Distribution.Client.ArbitraryInstances