Remove makedepends, replace with correct ones (FS#45082)

PKGBUILD

@@ -7,7 +7,7 @@ pkgdesc="Display graphical dialog boxes from shell scripts"
 arch=(i686 x86_64)
 license=(LGPL)
 depends=(gtk3 libnotify)
-makedepends=(intltool gtk-doc itstool docbook-xsl yelp-tools)
+makedepends=(itstool yelp-tools gettext)
 url="http://www.gnome.org"
 source=(http://ftp.gnome.org/pub/GNOME/sources/$pkgname/${pkgver:0:4}/$pkgname-$pkgver.tar.xz)
 sha256sums=('4d38d969a976e5ad79209fbea6dce9222f4478098199a2c52c3e46b1393ea844')