Remove now unneeded (guix build gnome) module.

* guix/build/gnome.scm: Remove.
* Makefile.am (MODULES): Update accordingly.

Makefile.am

@@ -59,7 +59,6 @@ MODULES =					\
   guix/build/download.scm			\
   guix/build/cmake-build-system.scm		\
   guix/build/git.scm				\
-  guix/build/gnome.scm				\
   guix/build/gnu-build-system.scm		\
   guix/build/gnu-dist.scm			\
   guix/build/linux-initrd.scm			\

guix/build/gnome.scm

@@ -1,31 +0,0 @@
-;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013 Cyril Roelandt <tipecaml@gmail.com>
-;;;
-;;; This file is part of GNU Guix.
-;;;
-;;; GNU Guix is free software; you can redistribute it and/or modify it
-;;; under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 3 of the License, or (at
-;;; your option) any later version.
-;;;
-;;; GNU Guix is distributed in the hope that it will be useful, but
-;;; WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-;;; GNU General Public License for more details.
-;;;
-;;; You should have received a copy of the GNU General Public License
-;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
-
-(define-module (guix build gnome)
-  #:export (gir-directory))
-
-;;; Commentary:
-;;;
-;;; Tools commonly used when building GNOME programs.
-;;;
-;;; Code:
-
-(define (gir-directory inputs pkg-name)
-  "Return the GIR directory name for PKG-NAME found from INPUTS."
-  (string-append (assoc-ref inputs pkg-name)
-                 "/share/gir-1.0"))