Remove unused changelog-update script

[saschagrunert]

The changelog-update is not used inside this repository, because its main functionality is part of anago and relnotes.

This might be a dangerous change since I'm not sure if we have other repositories depending on this script. 😇 On the other hand I'm pretty sure that this is the code part which has been put into anago some time ago which replaces this script and makes it obsolete:

release/anago

Lines 440 to 502 in 397563c

	generate_release_notes () {
	local release_tars=$TREE_ROOT/_output-$RELEASE_VERSION_PRIME/release-tars
	local action="Update"
	logecho -n "Generating release notes: "
	logrun -s relnotes $RELEASE_VERSION_PRIME --release-tars=$release_tars \
	--branch=${PARENT_BRANCH:-$RELEASE_BRANCH} --htmlize-md \
	--markdown-file=$RELEASE_NOTES_MD \
	--html-file=$RELEASE_NOTES_HTML \
	--release-bucket=$RELEASE_BUCKET || return 1
	logecho -n "Checkout master branch to make changes: "
	logrun -s git checkout master || return 1
	# The fetch and rebase before editing $CHANGELOG_FILE
	# avoids merge conflicts if another release cut
	# completed while we were building this one.
	logecho -n "Fetch origin/master to get latest $CHANGELOG_FILE: "
	logrun -s git fetch origin master || return 1
	logecho -n "Rebase on origin/master before editing $CHANGELOG_FILE: "
	logrun -s git rebase origin/master || return 1
	if [[ ! -f $CHANGELOG_FILE ]]; then
	cat<<EOF > $CHANGELOG_FILE
	<!-- BEGIN MUNGE: GENERATED_TOC -->
	<!-- END MUNGE: GENERATED_TOC -->
	<!-- NEW RELEASE NOTES ENTRY -->
	EOF
	action="Add"
	logecho -n "$CHANGELOG_FILE not found. Creating: "
	logrun -s git add $CHANGELOG_FILE
	fi
	logecho -n "Insert $RELEASE_VERSION_PRIME notes into $CHANGELOG_FILE: "
	# Pipe to logrun() vs using directly, because quoting.
	sed -i -e 's/<!-- NEW RELEASE NOTES ENTRY -->/&\n/' \
	-e "/<!-- NEW RELEASE NOTES ENTRY -->/r $RELEASE_NOTES_MD" \
	$CHANGELOG_FILE | logrun -s
	logecho -n "Update $CHANGELOG_FILE TOC: "
	logrun -s common::mdtoc $CHANGELOG_FILE || return 1
	logecho -n "Committing $CHANGELOG_FILE: "
	logrun -s git commit -am \
	"$action $CHANGELOG_FILE for $RELEASE_VERSION_PRIME." \
	|| return 1
	# Sync $CHANGELOG_FILE to release-* branch and clear all others
	if [[ "$RELEASE_BRANCH" =~ release- ]]; then
	logecho -n "Checkout $RELEASE_BRANCH branch to make changes: "
	logrun -s git checkout $RELEASE_BRANCH || return 1
	logecho -n "Remove any previous CHANGELOG-*.md files: "
	logrun -s git rm -f CHANGELOG-*.md || return 1
	logecho -n "Copy master $CHANGELOG_FILE to $RELEASE_BRANCH branch: "
	logrun -s git checkout master -- $CHANGELOG_FILE || return 1
	logecho -n "Committing $CHANGELOG_FILE: "
	logrun -s git commit -am \
	"Add/Update $CHANGELOG_FILE for $RELEASE_VERSION_PRIME." \
	|| return 1
	fi
	}

Relates to #982

[k8s-ci-robot]

@saschagrunert: Adding label: do-not-merge/blocked-paths because PR changes a protected file.

Reasons for blocking this PR:

[Changes to certain release tools can affect our ability to test, build, and release Kubernetes. This PR must be explicitly approved by SIG Release repo admins.]

• changelog-update

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository.

[justaugustus]

@saschagrunert -- Hound comes back with no significant entries: https://cs.k8s.io/?q=changelog-update&i=nope&files=&repos=, so I'm in favor of cleaning up!

Can you remove the listing for changelog-update in the README.md?

[saschagrunert]

Yes, I changed the README.md as well
/hold cancel

[justaugustus]

/lgtm
/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: justaugustus, saschagrunert

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