Remove unused workflows

.github/workflows/auto_approve.yml

@@ -1,18 +0,0 @@
-name: Automatic Approve
-
-on:
-  schedule:
-    - cron: "*/5 * * * *"
-
-jobs:
-  automatic_approve:
-    runs-on: ubuntu-latest
-
-    if: github.repository == 'qmk/qmk_firmware'
-
-    steps:
-    - uses: mheap/automatic-approve-action@v1
-      with:
-        token: ${{ secrets.QMK_BOT_TOKEN }}
-        workflows: "format.yml,lint.yml,unit_test.yml"
-        dangerous_files: "lib/python/,Makefile,paths.mk,builddefs/"

.github/workflows/feature_branch_update.yml

@@ -1,35 +0,0 @@
-name: Update feature branches after develop merge
-
-on:
-  push:
-    branches:
-    - develop
-
-jobs:
-  feature_branch_update:
-    runs-on: ubuntu-latest
-
-    if: github.repository == 'qmk/qmk_firmware'
-
-    strategy:
-      matrix:
-        branch:
-        - xap
-
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        token: ${{ secrets.QMK_BOT_TOKEN }}
-        fetch-depth: 0
-
-    - name: Checkout branch
-      run: |
-        git fetch origin develop ${{ matrix.branch }}
-        git checkout ${{ matrix.branch }}
-
-    - name: Update branch from develop
-      run: |
-        git config --global user.name "QMK Bot"
-        git config --global user.email "hello@qmk.fm"
-        git merge origin/develop
-        git push origin ${{ matrix.branch }}

.github/workflows/stale.yml

@@ -1,64 +0,0 @@
-name: 'Close stale issues and PRs'
-on:
-  schedule:
-    - cron: '30 1 * * *'
-  workflow_dispatch:
-
-permissions:
-  issues: write
-  pull-requests: write
-
-jobs:
-  stale:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/stale@v5
-        with:
-          repo-token: ${{ secrets.GITHUB_TOKEN }}
-
-          remove-stale-when-updated: true
-          exempt-draft-pr: true
-          ascending: true
-          operations-per-run: 150
-
-          stale-issue-label: stale
-          days-before-issue-stale: 90
-          days-before-issue-close: 30
-          exempt-issue-labels: bug,in progress,on hold,discussion,to do
-
-          stale-issue-message: >
-            This issue has been automatically marked as stale because it has not had activity in the
-            last 90 days. It will be closed in the next 30 days unless it is tagged properly or other activity
-            occurs.
-
-            For maintainers: Please label with `bug`, `in progress`, `on hold`, `discussion` or `to do` to prevent
-            the issue from being re-flagged.
-
-          close-issue-message: >
-            This issue has been automatically closed because it has not had activity in the last 30 days.
-            If this issue is still valid, re-open the issue and let us know.
-
-            // [stale-action-closed]
-
-          stale-pr-label: stale
-          days-before-pr-stale: 45
-          days-before-pr-close: 30
-          exempt-pr-labels: bug,awaiting review,breaking_change,in progress,on hold
-
-          stale-pr-message: >
-            Thank you for your contribution!
-
-            This pull request has been automatically marked as stale because it has not had
-            activity in the last 45 days. It will be closed in 30 days if no further activity occurs.
-            Please feel free to give a status update now, or re-open when it's ready.
-
-            For maintainers: Please label with `bug`, `awaiting review`, `breaking_change`, `in progress`, or `on hold`
-            to prevent the issue from being re-flagged.
-
-          close-pr-message: >
-            Thank you for your contribution!
-
-            This pull request has been automatically closed because it has not had activity in the last 30 days.
-            Please feel free to give a status update now, ping for review, or re-open when it's ready.
-
-            // [stale-action-closed]