chore: remove update release calendar job (#17884)

.github/workflows/release.yaml

@@ -924,55 +924,3 @@ jobs:
         continue-on-error: true
         run: |
           make sqlc-push
-
-  update-calendar:
-    name: "Update release calendar in docs"
-    runs-on: "ubuntu-latest"
-    needs: [release, publish-homebrew, publish-winget, publish-sqlc]
-    if: ${{ !inputs.dry_run }}
-    permissions:
-      contents: write
-      pull-requests: write
-    steps:
-      - name: Harden Runner
-        uses: step-security/harden-runner@0634a2670c59f64b4a01f0f96f84700a4088b9f0 # v2.12.0
-        with:
-          egress-policy: audit
-
-      - name: Checkout repository
-        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
-        with:
-          fetch-depth: 0 # Needed to get all tags for version calculation
-
-      - name: Set up Git
-        run: |
-          git config user.name "Coder CI"
-          git config user.email "cdrci@coder.com"
-
-      - name: Run update script
-        run: |
-          ./scripts/update-release-calendar.sh
-          make fmt/markdown
-
-      - name: Check for changes
-        id: check_changes
-        run: |
-          if git diff --quiet docs/install/releases/index.md; then
-            echo "No changes detected in release calendar."
-            echo "changes=false" >> $GITHUB_OUTPUT
-          else
-            echo "Changes detected in release calendar."
-            echo "changes=true" >> $GITHUB_OUTPUT
-          fi
-
-      - name: Create Pull Request
-        if: steps.check_changes.outputs.changes == 'true'
-        uses: peter-evans/create-pull-request@ff45666b9427631e3450c54a1bcbee4d9ff4d7c0 # v3.0.0
-        with:
-          commit-message: "docs: update release calendar"
-          title: "docs: update release calendar"
-          body: |
-            This PR automatically updates the release calendar in the docs.
-          branch: bot/update-release-calendar
-          delete-branch: true
-          labels: docs