hooks: remove common/hooks/post-install/04-create-xbps-vpkg-files.sh.

It's unnecessary with xbps>=0.42.

common/hooks/post-install/04-create-xbps-vpkg-files.sh

@@ -1,17 +0,0 @@
-# This hook generates XBPS configuration files for virtual packages.
-
-hook() {
-	local _tmpf
-
-	# If package provides virtual packages, create dynamically the
-	# required configuration file.
-	if [ -n "$provides" ]; then
-		_tmpf=$(mktemp) || msg_error "$pkgver: failed to create tempfile.\n"
-		echo "# Virtual packages provided by '${pkgname}':" >>${_tmpf}
-		for f in ${provides}; do
-			echo "virtualpkg=${f}:${pkgname}" >>${_tmpf}
-		done
-		install -Dm644 ${_tmpf} ${PKGDESTDIR}/usr/share/xbps/virtualpkg.d/${pkgname}.conf
-		rm -f ${_tmpf}
-	fi
-}