mutiout: make it builtin

pkgs/tools/text/diffutils/default.nix

@@ -9,7 +9,6 @@ stdenv.mkDerivation rec {
   };
 
   outputs = [ "out" "info" ];
-  buildInputs = [ stdenv.hookLib.multiout ];
 
   /* If no explicit coreutils is given, use the one from stdenv. */
   nativeBuildInputs = [ coreutils ];

pkgs/tools/text/gawk/default.nix

@@ -15,7 +15,6 @@ stdenv.mkDerivation rec {
   #outputs = stdenv.lib.optionals (!interactive) [ "out" "doc" ]; #ToDo
 
   buildInputs = [ libsigsegv ]
-    ++ optional (!interactive) stdenv.hookLib.multiout
     ++ optional interactive readline;
 
   configureFlags = [ "--with-libsigsegv-prefix=${libsigsegv}" ]

pkgs/tools/text/gnugrep/default.nix

@@ -12,7 +12,7 @@ stdenv.mkDerivation {
 
   #outputs = [ "out" "doc" ]; ToDo
 
-  buildInputs = [ stdenv.hookLib.multiout pcre ]
+  buildInputs = [ pcre ]
     ++ stdenv.lib.optional (libiconv != null) libiconv;
 
   patches = [ ./test-localeconv.patch ];

pkgs/tools/text/gnused/default.nix

@@ -9,7 +9,6 @@ stdenv.mkDerivation {
   };
 
   outputs = [ "out" "info" ];
-  buildInputs = [ stdenv.hookLib.multiout ];
 
   meta = {
     homepage = http://www.gnu.org/software/sed/;