[xtro] Remove all legacy Xamarin bits. #1886

	# yamllint disable rule:line-length rule:document-start rule:truthy
	name: PR yamllint check
	on: pull_request

	permissions:
	contents: read
	pull-requests: write

	jobs:
	rebase:
	name: yamllint check
	runs-on: ubuntu-latest

	steps:
	- name: 'Checkout'
	uses: actions/checkout@v4
	with:
	token: ${{ secrets.GITHUB_TOKEN }}
	fetch-depth: 0

	- name: Install yamllint
	run: pip install yamllint

	- name: Lint YAML pipeline files
	id: lint-pipeline
	working-directory: ./tools/devops/automation
	run: \|
	RESULT=$(yamllint . -f github)
	if [ -n "$RESULT" ]; then
	echo "YAML Lint found issues"
	echo "$RESULT"
	echo "::set-output name=result::$RESULT"
	exit 1
	fi

	# only post a comment if the linting fails
	- name: Post comment
	uses: unsplash/comment-on-pr@v1.3.1
	if: failure()
	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	with:
	msg: \|
	[yaml-lint] YamlLint found issues in the pipeline files.
	${{ steps.lint-pipeline.outputs.result }}
	check_for_duplicate_msg: true
	delete_prev_regex_msg: "YamlLint found issues in the pipeline files."
	duplicate_msg_pattern: "YamlLint found issues in the pipeline files."

Provide feedback