Remove the haskell98 dependency from the codeGen/should_run tests

testsuite/tests/ghc-regress/codeGen/should_run/3207.hs

@@ -3,7 +3,7 @@ module Main where
 import Control.Monad.ST.Lazy
 import Data.STRef.Lazy
 import Data.Array.ST
-import Int
+import Data.Int
 import Debug.Trace
 
 data Refs s = Refs

testsuite/tests/ghc-regress/codeGen/should_run/cgrun034.hs

 -- !! fromRational woes
-import Ratio -- 1.3
+import Data.Ratio -- 1.3
 
 main = putStr (
    shows tinyFloat  ( '\n'

testsuite/tests/ghc-regress/codeGen/should_run/cgrun046.hs

 module Main where
 
-import IO
+import System.IO
 
 -- !!! CAF space leaks
 

testsuite/tests/ghc-regress/codeGen/should_run/cgrun047.hs

@@ -6,7 +6,7 @@ module Main where
 -- specified.  Through a process of elimination I've managed to reproduce
 -- the problemin the following (much simpler) piece of code: 
 
-import List
+import Data.List
 
 test es = 
   concat (groupBy eq (zip [0..(length es) - 1] es))

testsuite/tests/ghc-regress/codeGen/should_run/cgrun055.hs

@@ -3,7 +3,7 @@
 
 module Main where
 
-import System (getArgs)
+import System.Environment (getArgs)
 
 -- NOTE: When if you remove Eight (or any other constructor) everything works
 -- Having at least 9 constructors has something to do with the bug

testsuite/tests/ghc-regress/codeGen/should_run/cgrun059.hs

@@ -2,7 +2,7 @@
 
 module Main where
 
-import Directory
+import System.Directory
 
 data Error
     = ErrorFileNone