chore: clean .gitignore cache

.github/workflows/dry-run-history-rewrite.yml

@@ -1,38 +0,0 @@
-name: History Rewrite Dry-Run
-
-on:
-  pull_request:
-    types: [opened, synchronize, reopened]
-  schedule:
-    - cron: '0 2 * * *' # daily at 02:00 UTC
-  workflow_dispatch:
-
-concurrency:
-  group: ${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-permissions:
-  contents: read
-
-jobs:
-  preview-history:
-    name: Dry-run preview for history rewrite
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout repository
-        uses: actions/checkout@8e8c483db84b4bee98b60c0593521ed34d9990e8 # v6
-        with:
-          fetch-depth: 0
-
-      - name: Debug git info
-        run: |
-          git --version
-          git rev-parse --is-shallow-repository || true
-          git status --porcelain
-
-      - name: Make CI script executable
-        run: chmod +x scripts/ci/dry_run_history_rewrite.sh
-
-      - name: Run dry-run history check
-        run: |
-          scripts/ci/dry_run_history_rewrite.sh --paths 'backend/codeql-db,codeql-db,codeql-db-js,codeql-db-go' --strip-size 50