haskell-iconv: GHC 7.10.x support was added upstream

pkgs/development/haskell-modules/configuration-ghc-7.10.x.nix

@@ -292,7 +292,4 @@ self: super: {
   x509-store = appendConfigureFlag super.x509-store "-fignore-me-1";
   x509-system = appendConfigureFlag super.x509-system "-fignore-me-1";
 
-  # Fix compilation under GHC 7.10, patch has been sent upstream.
-  iconv = appendPatch super.iconv ./iconv-fix-ghc710.patch;
-
 }

pkgs/development/haskell-modules/iconv-fix-ghc710.patch

@@ -1,41 +0,0 @@
-Running command 'diff -urN old-iconv new-iconv'
-Fri May 29 00:42:30 CEST 2015  Robert Helgesson <robert@rycee.net>
-  * Add Functor and Applicative instances for IConv
-  
-  This makes iconv successfully build under GHC 7.10.
-diff -urN old-iconv/Codec/Text/IConv/Internal.hs new-iconv/Codec/Text/IConv/Internal.hs
---- old-iconv/Codec/Text/IConv/Internal.hs	2015-05-31 11:26:06.410968449 +0200
-+++ new-iconv/Codec/Text/IConv/Internal.hs	2015-05-31 11:26:06.410968449 +0200
-@@ -49,6 +49,7 @@
- import System.IO.Unsafe (unsafeInterleaveIO, unsafePerformIO)
- import System.IO (hPutStrLn, stderr)
- import Control.Exception (assert)
-+import Control.Monad (ap, liftM)
- 
- import Prelude hiding (length)
- 
-@@ -192,8 +193,8 @@
-  -}
- 
- 
------------------------------
---- IConv monad
-+----------------------------------------
-+-- IConv functor, applicative, and monad
- --
- 
- newtype IConv a = I {
-@@ -202,6 +203,13 @@
-         -> IO (Buffers, a)
-   }
- 
-+instance Functor IConv where
-+  fmap = liftM
-+
-+instance Applicative IConv where
-+  pure = return
-+  (<*>) = ap
-+
- instance Monad IConv where
-   (>>=)  = bindI
- --  m >>= f = (m `bindI` \a -> consistencyCheck `thenI` returnI a) `bindI` f