main/abuild: remove buildroot

its provided by lua-aports

main/abuild/APKBUILD

@@ -2,7 +2,7 @@
 pkgname=abuild
 pkgver=2.19.2
 _ver=${pkgver%_git*}
-pkgrel=0
+pkgrel=1
 pkgdesc="Script to build Alpine Packages"
 url="http://git.alpinelinux.org/cgit/abuild/"
 arch="all"
@@ -42,6 +42,8 @@ build() {
 package() {
 	cd "$_builddir"
 	make install DESTDIR="$pkgdir" || return 1
+	# buildrepo is provided by lua-aports now
+	rm "$pkgdir"/usr/bin/buildrepo || return 1
 	install -m 644 abuild.conf "$pkgdir"/etc/abuild.conf || return 1
 	install -d -m 775 -g abuild "$pkgdir"/var/cache/distfiles || return 1
 }