glibc: 2.22 -> 2.23

The two patches were included upstream.
(Even the one from guix, except for a whitespace difference.)

pkgs/development/libraries/glibc/common.nix

@@ -11,8 +11,8 @@ cross:
 
 let
 
-  version = "2.22";
-
+  version = "2.23";
+  sha256 = "1lk9a8jv5kyx8hp0wmfzjyk047q95ybyjqbyw5idl7414jxqml1b";
 in
 
 assert cross != null -> gccCross != null;
@@ -49,10 +49,6 @@ stdenv.mkDerivation ({
          "/bin:/usr/bin", which is inappropriate on NixOS machines. This
          patch extends the search path by "/run/current-system/sw/bin". */
       ./fix_path_attribute_in_getconf.patch
-
-      ./cve-2015-7547.patch
-
-      ./glibc-locale-incompatibility.patch
     ];
 
   postPatch =
@@ -143,7 +139,7 @@ stdenv.mkDerivation ({
 
   src = fetchurl {
     url = "mirror://gnu/glibc/glibc-${version}.tar.gz";
-    sha256 = "1rcby0cqgswgqaxyqz0yqc4zizb1kvpi5vlfqp7dh3sa132109m6";
+    inherit sha256;
   };
 
   # Remove absolute paths from `configure' & co.; build out-of-tree.