chore: clean .gitignore cache

scripts/history-rewrite/check_refs.sh

@@ -1,42 +0,0 @@
-#!/usr/bin/env bash
-set -euo pipefail
-IFS=$'\n\t'
-
-usage() {
-  cat <<EOF
-Usage: $0
-
-Lists branches and tags, saves a tag reference tarball to data/backups.
-EOF
-}
-
-if [ "${1:-}" = "-h" ] || [ "${1:-}" = "--help" ]; then
-  usage; exit 0
-fi
-
-logdir="data/backups"
-mkdir -p "$logdir"
-ts=$(date +"%Y%m%d-%H%M%S")
-tags_tar="$logdir/tags-$ts.tar.gz"
-
-echo "Branches:"
-git branch -a || true
-
-echo "Tags:"
-git tag -l || true
-
-tmpdir=$(mktemp -d)
-git show-ref --tags > "$tmpdir/tags-show-ref.txt" || true
-tar -C "$tmpdir" -czf "$tags_tar" . || { echo "Warning: failed to create tag tarball" >&2; rm -rf "$tmpdir"; exit 1; }
-rm -rf "$tmpdir"
-echo "Created tags tarball: $tags_tar"
-
-echo "Attempting to push tags to origin under refs/backups/tags/*"
-for t in $(git tag --list); do
-  if ! git push origin "refs/tags/$t:refs/backups/tags/$t" >/dev/null 2>&1; then
-    echo "Warning: pushing tag $t to refs/backups/tags/$t failed" >&2
-  fi
-done
-
-echo "Done."
-exit 0