Import X.Prelude unqualified if necessary

This gets rid of, for example,

    The import of ‘liftA2’ from module ‘XMonad.Prelude’ is redundant

-type warnings.

XMonad/Actions/MessageFeedback.hs

@@ -47,7 +47,7 @@ module XMonad.Actions.MessageFeedback
 import XMonad               ( Window )
 import XMonad.Core          ( X(), Message, SomeMessage(..), LayoutClass(..), windowset, catchX, WorkspaceId, Layout, whenJust )
 import XMonad.Operations    ( updateLayout, windowBracket, modifyWindowSet )
-import XMonad.Prelude       ( isJust, liftA2, void )
+import XMonad.Prelude
 import XMonad.StackSet      ( Workspace, current, workspace, layout, tag )
 
 import Control.Monad.State  ( gets )

XMonad/Actions/MostRecentlyUsed.hs

@@ -31,14 +31,8 @@ module XMonad.Actions.MostRecentlyUsed (
   ) where
 
 -- base
-import Data.Maybe (fromMaybe)
-import Data.List.NonEmpty (NonEmpty(..), nonEmpty)
-import Data.Monoid (All(..), Any)
-import Data.Foldable (for_)
-import Data.Functor (($>))
+import Data.List.NonEmpty (nonEmpty)
 import Data.IORef (newIORef, readIORef, writeIORef, modifyIORef)
-import Control.Applicative (liftA2)
-import Control.Monad (when, unless, join)
 import Control.Monad.IO.Class (MonadIO)
 
 -- mtl
@@ -68,7 +62,7 @@ import XMonad.Util.PureX
   (handlingRefresh, curScreenId, curTag, greedyView, view, peek, focusWindow)
 import XMonad.Util.History (History, origin, event, erase, ledger)
 import XMonad.Actions.Repeatable (repeatableSt)
-import XMonad.Prelude (Stream (..), cycleS)
+import XMonad.Prelude
 
 -- }}}
 

XMonad/Actions/WorkspaceCursors.hs

@@ -50,7 +50,7 @@ import XMonad.Layout.LayoutModifier(ModifiedLayout(..),
 import XMonad(Message, WorkspaceId, X, XState(windowset),
               fromMessage, sendMessage, windows, gets)
 import XMonad.Util.Stack (reverseS)
-import XMonad.Prelude (find, fromJust, guard, liftA2, toList, when, (<=<))
+import XMonad.Prelude
 
 -- $usage
 --