packaging: Remove unused publish kata image script

This PR removes unused the publish kata image script which
was used on kata 1.x when we had OBS packages which are not
longer used on kata 2.x

Fixes #4496

Signed-off-by: Gabriela Cervantes <gabriela.cervantes.tellez@intel.com>

tools/packaging/release/publish-kata-image.sh

@@ -1,76 +0,0 @@
-#!/usr/bin/env bash
-#Copyright (c) 2018 Intel Corporation
-#
-#SPDX-License-Identifier: Apache-2.0
-#
-
-[ -z "${DEBUG}" ] || set -x
-
-set -o errexit
-set -o nounset
-set -o pipefail
-
-workdir="${PWD}"
-
-readonly script_name="$(basename "${BASH_SOURCE[0]}")"
-readonly script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
-readonly project="kata-containers"
-GOPATH=${GOPATH:-${HOME}/go}
-
-source "${script_dir}/../scripts/lib.sh"
-source "${script_dir}/../obs-packaging/scripts/pkglib.sh"
-
-die() {
-	msg="$*"
-	echo "ERROR: ${FUNCNAME[1]} ${msg}" >&2
-	exit 1
-}
-
-usage() {
-	return_code=${1:-0}
-	cat <<EOF
-Usage:
-
-${script_name} [options]  <version>
-
-version: Kata version to create the image.
-
-Create image for a kata version.
-
-options:
-
--h      : show this help
--p      : push image to github
-EOF
-
-	exit "${return_code}"
-}
-
-main() {
-	push="false"
-	while getopts "d:hp" opt; do
-		case $opt in
-		h) usage 0 ;;
-		p) push="true" ;;
-		esac
-	done
-
-	shift $((OPTIND - 1))
-	kata_version=${1:-}
-	[ -n "${kata_version}" ] || usage "1"
-
-	ref="refs/tags/${kata_version}^{}"
-	agent_sha=$(get_kata_hash "agent" "${ref}")
-	agent_sha=${agent_sha:0:${short_commit_length}}
-	image_tarball=$(find -name 'kata-containers-*.tar.gz' | grep "${kata_version}" | grep "${agent_sha}") ||
-		"${script_dir}/../obs-packaging/kata-containers-image/build_image.sh" -v "${kata_version}"
-	image_tarball=$(find -name 'kata-containers-*.tar.gz' | grep "${kata_version}" | grep "${agent_sha}" ) || die "file not found ${image_tarball}"
-
-	if [ ${push} == "true" ]; then
-		hub -C "${GOPATH}/src/github.com/${project}/agent" release edit -a "${image_tarball}" "${kata_version}"
-	else
-		echo "Wont push image to github use -p option to do it."
-	fi
-}
-
-main $@