revert: "feat: add flag to skip deleting obsolete referrers index (#9… #1885

	# Copyright The ORAS Authors.
	# Licensed under the Apache License, Version 2.0 (the "License");
	# you may not use this file except in compliance with the License.
	# You may obtain a copy of the License at
	#
	# http://www.apache.org/licenses/LICENSE-2.0
	#
	# Unless required by applicable law or agreed to in writing, software
	# distributed under the License is distributed on an "AS IS" BASIS,
	# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	# See the License for the specific language governing permissions and
	# limitations under the License.

	name: License Checker

	on:
	push:
	branches:
	- main
	- release-*
	pull_request:
	branches:
	- main
	- release-*

	permissions:
	contents: write
	pull-requests: write

	jobs:
	check-license:
	runs-on: ubuntu-latest
	steps:
	- name: Checkout
	uses: actions/checkout@v3
	- name: Check license header
	uses: apache/skywalking-eyes/[email protected]
	with:
	mode: check
	config: .github/licenserc.yml
	- name: Check dependencies license
	uses: apache/skywalking-eyes/[email protected]
	with:
	config: .github/licenserc.yml

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