Removes stale bot from GitHub action (#1908)

Signed-off-by: John McBride <jpmmcbride@gmail.com>

.github/workflows/stale.yml

@@ -1,56 +0,0 @@
-name: Mark stale issues and pull requests
-
-on:
-  schedule:
-  - cron: "0 0 * * *"
-
-permissions:
-  contents: read
-
-jobs:
-  stale:
-
-    permissions:
-      issues: write  # for actions/stale to close stale issues
-      pull-requests: write  # for actions/stale to close stale PRs
-    runs-on: ubuntu-latest
-
-    steps:
-    - uses: actions/stale@v6
-      with:
-        repo-token: ${{ secrets.GITHUB_TOKEN }}
-        stale-issue-message: "The Cobra project currently lacks enough contributors to adequately respond to all issues.
-          This bot triages issues and PRs according to the following rules:
-
-          - After 60d of inactivity, lifecycle/stale is applied.
-          - After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied and the issue is closed.
-
-          You can:
-
-          - Make a comment to remove the stale label and show your support. The 60 days reset.
-          - If an issue has lifecycle/rotten and is closed, comment and ask maintainers if they'd be interested in reopening"
-
-        stale-pr-message: "The Cobra project currently lacks enough contributors to adequately respond to all PRs.
-          This bot triages issues and PRs according to the following rules:
-
-          - After 60d of inactivity, lifecycle/stale is applied.
-          - After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied and the PR is closed.
-
-          You can:
-
-          - Make a comment to remove the stale label and show your support. The 60 days reset.
-          - If a PR has lifecycle/rotten and is closed, comment and ask maintainers if they'd be interested in reopening."
-
-        days-before-stale: 60
-        days-before-close: 30
-        stale-issue-label: 'lifecycle/stale'
-        stale-pr-label: 'lifecycle/stale'
-        exempt-issue-labels: 'lifecycle/frozen'
-        exempt-pr-labels: 'lifecycle/frozen'
-        close-issue-label: 'lifecycle/rotten'
-        close-pr-label: 'lifecycle/rotten'
-
-        # Since cobra has so many legacy issues and PRs that need to be triaged,
-        # only label new PRs and issues.
-        start-date: '2022-02-01T00:00:00Z'
-