Remove version bump action

.github/workflows/version.yml

@@ -1,34 +0,0 @@
-name: Bump version
-
-on:
-  workflow_dispatch:
-  schedule:
-    - cron: '0 0 * * *'
-
-jobs:
-  bump-version:
-    if: github.repository == 'YosysHQ/Yosys'
-    runs-on: ubuntu-latest
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-        with:
-          fetch-depth: 0
-          submodules: true
-          persist-credentials: false
-      - name: Take last commit
-        id: log
-        run: echo "message=$(git log --no-merges -1 --oneline)" >> $GITHUB_OUTPUT
-      - name: Bump version
-        if: ${{ !contains(steps.log.outputs.message, 'Bump version') }}
-        run: |
-          make bumpversion
-          git config --local user.email "41898282+github-actions[bot]@users.noreply.github.com"
-          git config --local user.name "github-actions[bot]"
-          git add Makefile
-          git commit -m "Bump version"
-      - name: Push changes # push the output folder to your repo
-        if: ${{ !contains(steps.log.outputs.message, 'Bump version') }}
-        uses: ad-m/github-push-action@master
-        with:
-          github_token: ${{ secrets.GITHUB_TOKEN }}