Remove redundant imports in tests

test/HPath/IO/AppendFileSpec.hs

@@ -13,7 +13,6 @@ import GHC.IO.Exception
   (
     IOErrorType(..)
   )
-import System.Process
 import Utils
 
 

test/HPath/IO/ReadFileEOFSpec.hs

@@ -13,7 +13,6 @@ import GHC.IO.Exception
   (
     IOErrorType(..)
   )
-import System.Process
 import Utils
 
 

test/HPath/IO/ReadFileSpec.hs

@@ -13,7 +13,6 @@ import GHC.IO.Exception
   (
     IOErrorType(..)
   )
-import System.Process
 import Utils
 
 

test/HPath/IO/WriteFileSpec.hs

@@ -13,7 +13,6 @@ import GHC.IO.Exception
   (
     IOErrorType(..)
   )
-import System.Process
 import Utils
 
 

test/Utils.hs

@@ -61,9 +61,6 @@ import System.Posix.Files.ByteString
   , unionFileModes
   )
 
-import qualified "unix" System.Posix.IO.ByteString as SPI
-import qualified "unix-bytestring" System.Posix.IO.ByteString as SPB
-
 
 
 baseTmpDir :: ByteString