Remove custom 'trim' implementation (#1406)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>
Co-authored-by: Junyoung/Clare Jang <jjc9310@gmail.com>

Author: 3 people

install/src/Env.hs

@@ -19,7 +19,9 @@ import           Data.List                                ( sort
                                                           , sortBy
                                                           , isInfixOf
                                                           )
-import           Data.List.Extra                          ( nubOrdBy )
+import           Data.List.Extra                          ( nubOrdBy
+                                                          , trim
+                                                          )
 import           Data.Ord                                 ( comparing )
 import           Control.Monad.Extra                      ( mapMaybeM )
 

install/src/Print.hs

@@ -3,7 +3,7 @@ module Print where
 import           Development.Shake
 import           Control.Monad.IO.Class
 import           Data.List                                ( dropWhileEnd )
-import           Data.List.Extra                          ( trimStart, trimEnd )
+import           Data.List.Extra                          ( trim )
 import           Data.Char                                ( isSpace )
 
 -- | lift putStrLn to MonadIO
@@ -22,11 +22,6 @@ embedInStars str =
 printInStars :: MonadIO m => String -> m ()
 printInStars = liftIO . putStrLn . embedInStars
 
-
--- | Trim whitespace of both ends of a string
-trim :: String -> String
-trim = trimEnd . trimStart
-
 -- | Trim the whitespace of the stdout of a command
 trimmedStdout :: Stdout String -> String
 trimmedStdout (Stdout s) = trim s

install/src/Stack.hs

@@ -1,6 +1,7 @@
 {-# LANGUAGE CPP #-}
 module Stack where
 
+import           Data.List.Extra                          ( trim )
 import           Development.Shake
 import           Development.Shake.FilePath
 import           Control.Monad