community/xfce4-panel: fix circular makedepends

we dont need xfce4-vala to build the vala bindings

community/xfce4-panel/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=xfce4-panel
 pkgver=4.13.3
-pkgrel=2
+pkgrel=3
 pkgdesc="Panel for the Xfce desktop environment"
 url="https://xfce.org/"
 arch="all"
@@ -10,7 +10,7 @@ subpackages="$pkgname-dev $pkgname-doc $pkgname-lang"
 depends="hicolor-icon-theme"
 depends_dev="libxfce4util-dev gtk+2.0-dev gtk+3.0-dev xfconf-dev"
 makedepends="$depends_dev libxfce4ui-dev exo-dev garcon-dev libwnck3-dev
-	gobject-introspection-dev xfce4-vala"
+	gobject-introspection-dev vala"
 source="https://archive.xfce.org/src/xfce/$pkgname/${pkgver%.*}/$pkgname-$pkgver.tar.bz2"
 
 builddir="$srcdir"/$pkgname-$pkgver