ci: remove auto release on un-drafting PR

.github/workflows/release-with-ready.yml

@@ -1,46 +0,0 @@
-name: "Release Manager: release RC when ready for review"
-
-on:
-  pull_request:
-    types: [ready_for_review]
-
-env:
-  GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-
-permissions:
-  contents: write
-  issues: write
-  pull-requests: write
-
-jobs:
-  check:
-    runs-on: ubuntu-latest
-    outputs:
-      head: ${{ steps.get_pr.outputs.head }}
-      base: ${{ steps.get_pr.outputs.base }}
-    steps:
-      - uses: actions/checkout@v4
-      # PR情報を取得
-      - name: Get PR
-        run: |
-          pr_json=$(gh pr view "$PR_NUMBER" --json isDraft,headRefName,baseRefName)
-          echo "head=$(echo $pr_json | jq -r '.headRefName')" >> $GITHUB_OUTPUT
-          echo "base=$(echo $pr_json | jq -r '.baseRefName')" >> $GITHUB_OUTPUT
-        id: get_pr
-        env:
-          PR_NUMBER: ${{ github.event.pull_request.number }}
-  release:
-    uses: misskey-dev/release-manager-actions/.github/workflows/create-prerelease.yml@v2
-    needs: check
-    if: needs.check.outputs.head == github.event.repository.default_branch && needs.check.outputs.base == vars.STABLE_BRANCH
-    with:
-      pr_number: ${{ github.event.pull_request.number }}
-      user: 'github-actions[bot]'
-      package_jsons_to_rewrite: ${{ vars.PACKAGE_JSONS_TO_REWRITE }}
-      use_external_app_to_release: ${{ vars.USE_RELEASE_APP == 'true' }}
-      indent: ${{ vars.INDENT }}
-      draft_prerelease_channel: alpha
-      ready_start_prerelease_channel: beta
-    secrets:
-      RELEASE_APP_ID: ${{ secrets.RELEASE_APP_ID }}
-      RELEASE_APP_PRIVATE_KEY: ${{ secrets.RELEASE_APP_PRIVATE_KEY }}