[scripts] drop another unused script

scripts/spinbase_openvz_pre_tar_script.sh

@@ -1,10 +0,0 @@
-#!/bin/sh
-
-# Copy packages list outside tarball
-pkglist_file="${CHROOT_DIR}/etc/sabayon-pkglist"
-if [ -f "${pkglist_file}" ]; then
-	tar_dirname=$(dirname "${TAR_PATH}")
-	if [ -d "${tar_dirname}" ]; then
-		cp "${pkglist_file}" "${TAR_PATH}.pkglist"
-	fi
-fi