chore: remove rebase action

.github/workflows/rebase.yml

@@ -1,22 +0,0 @@
-name: Rebase
-
-on:
-  issue_comment:
-    types: [created]
-
-jobs:
-  rebase:
-    name: Rebase
-    runs-on: ubuntu-latest
-    if: |
-      github.event.issue.pull_request != ''
-      && contains(github.event.comment.body, '/rebase')
-      && (github.event.comment.author_association == 'MEMBER' || github.event.comment.author_association == 'OWNER')
-
-    steps:
-      - uses: actions/checkout@v3
-
-      - name: Automatic Rebase
-        uses: cirrus-actions/rebase@1.7
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}