main/libwnck: drop wnckprop and wnck-urgency-monitor

We will ship those with libwnck3

main/libwnck/APKBUILD

 # Maintainer: Natanael Copa <ncopa@alpinelinux.org>
 pkgname=libwnck
 pkgver=2.31.0
-pkgrel=2
+pkgrel=3
 pkgdesc="Window Navigator Construction Kit"
 url="https://git.gnome.org/browse/libwnck"
 arch="all"
@@ -37,6 +37,9 @@ build() {
 package() {
 	cd "$_builddir"
 	make DESTDIR="$pkgdir" install || return 1
+	rm "$pkgdir"/usr/bin/wnckprop \
+		"$pkgdir"/usr/bin/wnck-urgency-monitor \
+		|| return 1
 	find "$pkgdir" -name '*.la' -delete
 }
 md5sums="f03e1139296e2a3a92e3b65a3080cd32  libwnck-2.31.0.tar.xz"