Remove demo reset workflow

.github/workflows/demo-reset.yml

@@ -1,22 +0,0 @@
-name: Demo reset
-on:
-  schedule:
-    - cron: "0 */3 * * *"
-  workflow_dispatch:
-jobs:
-  reset:
-    name: Reset
-    runs-on: ubuntu-latest
-    environment:
-      name: demo
-      url: https://demo.baby-buddy.net
-    steps:
-    - uses: actions/checkout@v3
-    - uses: ./.github/actions/setup
-    - name: Install Railway CLI
-      run: npm install --location=global @railway/cli
-    - name: Reset demo database
-      run: npx railway run pipenv run python manage.py reset --no-input
-      env:
-        DJANGO_SETTINGS_MODULE: babybuddy.settings.railway
-        RAILWAY_TOKEN: ${{ secrets.RAILWAY_TOKEN }}