removing LogReader.

Language/Haskell/GhcMod/ErrMsg.hs

@@ -1,9 +1,7 @@
 {-# LANGUAGE BangPatterns, CPP #-}
 
 module Language.Haskell.GhcMod.ErrMsg (
-    LogReader
-  , withLogger
-  , handleErrMsg
+    withLogger
   , checkErrorPrefix
   ) where
 
@@ -26,11 +24,6 @@ import System.FilePath (normalise)
 
 ----------------------------------------------------------------
 
--- | A means to read the log.
-type LogReader = IO String
-
-----------------------------------------------------------------
-
 type Builder = [String] -> [String]
 
 newtype LogRef = LogRef (IORef Builder)