remove support for network older than 2.4

debian stable has 2.4

Git/Types.hs

@@ -11,7 +11,6 @@ import Network.URI
 import qualified Data.Map as M
 import System.Posix.Types
 import Utility.SafeCommand
-import Utility.URI ()
 
 {- Support repositories on local disk, and repositories accessed via an URL.
  -

Utility/URI.hs

@@ -1,18 +0,0 @@
-{- Network.URI
- -
- - Copyright 2014 Joey Hess <id@joeyh.name>
- -
- - License: BSD-2-clause
- -}
-
-{-# LANGUAGE CPP #-}
-
-module Utility.URI where
-
--- Old versions of network lacked an Ord for URI
-#if ! MIN_VERSION_network(2,4,0)
-import Network.URI
-
-instance Ord URI where
-	a `compare` b = show a `compare` show b
-#endif

git-annex.cabal

@@ -130,7 +130,7 @@ Executable git-annex
   if flag(network-uri)
     Build-Depends: network-uri (>= 2.6), network (>= 2.6)
   else
-    Build-Depends: network (< 2.6), network (>= 2.0)
+    Build-Depends: network (< 2.6), network (>= 2.4)
 
   if flag(Cryptonite)
     Build-Depends: cryptonite