maint: remove github workflows

.github/workflows/cicd.yml

@@ -1,25 +0,0 @@
-name: ci-cd
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    if: github.ref == 'refs/heads/main'
-    steps:
-      - uses: actions/checkout@v2 
-        with:
-          fetch-depth: 0
-      - name: deploy to dokku instance
-        uses: idoberko2/dokku-deploy-github-action@v1
-        with:
-          ssh-private-key: ${{ secrets.SSH_PRIVATE_KEY }}
-          dokku-host: 'planner.thermokar.st'
-          app-name: 'webapp'
-          remote-branch: 'main'
-          # Keeping the following around, in case of emergencies:
-          # git-push-flags: --force