cinnamon-menus: extract update_* to external update file

srcpkgs/cinnamon-menus/template

@@ -10,8 +10,6 @@ makedepends="glib-devel gnome-common gobject-introspection"
 maintainer="Juan RP <xtraeme@gmail.com>"
 license="GPL-3"
 homepage="http://cinnamon.linuxmint.com/"
-update_site="https://api.github.com/repos/linuxmint/$pkgname/tags"
-update_pattern='"name":\s*"\K[^\d]*([\d\.]+)(?=")'
 
 do_fetch() {
 	git clone -b ${version} git://github.com/linuxmint/${pkgname} ${pkgname}-${version}

srcpkgs/cinnamon-menus/update

@@ -0,0 +1,2 @@
+site="https://api.github.com/repos/linuxmint/$pkgname/tags"
+pattern='"name":\s*"\K[^\d]*([\d\.]+)(?=")'