main/gtk+3.0: Remove intltool dependency

It's no longer required since gettext 0.19.7.

Removing intltool dependency removes the indirect dependency on perl.
And since gtk3 run some perl scripts on build, depend on perl.

main/gtk+3.0/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=gtk+3.0
 pkgver=3.22.30
-pkgrel=1
+pkgrel=2
 pkgdesc="The GTK+ Toolkit (v3)"
 url="https://www.gtk.org/"
 install="$pkgname.post-install $pkgname.post-upgrade $pkgname.post-deinstall"
@@ -22,7 +22,6 @@ depends_dev="
 	fontconfig-dev
 	gdk-pixbuf-dev
 	glib-dev
-	intltool
 	libepoxy-dev
 	libx11-dev
 	libxcomposite-dev
@@ -42,6 +41,7 @@ depends_dev="
 	"
 makedepends="
 	$depends_dev
+        perl
 	cups-dev
 	expat-dev
 	gettext-dev