gnome-themes-extra: remove noarch

srcpkgs/gnome-themes-extra/template

@@ -1,7 +1,7 @@
 # Template file for 'gnome-themes-extra'
 pkgname=gnome-themes-extra
 version=3.28
-revision=2
+revision=3
 build_style=gnu-configure
 hostmakedepends="pkg-config intltool librsvg-utils glib-devel which"
 makedepends="gtk+-devel gtk+3-devel librsvg-devel"
@@ -19,7 +19,6 @@ if [ "$CROSS_BUILD" ]; then
 fi
 
 gnome-themes-standard_package() {
-	archs=noarch
 	build_style=meta
 	short_desc+=" (transitional dummy package)"
 	depends="gnome-themes-extra-${version}_${revision}"