glib: remove legacy gettext workaround

This code actually predates PKG_CONFIG_PATH being configured correctly
for keg-only deps. It is no longer needed.

Formula/glib.rb

@@ -65,18 +65,6 @@ def install
     system "ulimit -n 1024; make check" if build.include? 'test'
     system "make install"
 
-    # This sucks; gettext is Keg only to prevent conflicts with the wider
-    # system, but pkg-config or glib is not smart enough to have determined
-    # that libintl.dylib isn't in the DYLIB_PATH so we have to add it
-    # manually.
-    gettext = Formula.factory('gettext').opt_prefix
-    inreplace lib+'pkgconfig/glib-2.0.pc' do |s|
-      s.gsub! 'Libs: -L${libdir} -lglib-2.0 -lintl',
-              "Libs: -L${libdir} -lglib-2.0 -L#{gettext}/lib -lintl"
-      s.gsub! 'Cflags: -I${includedir}/glib-2.0 -I${libdir}/glib-2.0/include',
-              "Cflags: -I${includedir}/glib-2.0 -I${libdir}/glib-2.0/include -I#{gettext}/include"
-    end
-
     (share+'gtk-doc').rmtree
   end