remove CI workflow

.github/workflows/ci.yml

@@ -1,36 +0,0 @@
-name: CI
-
-on:
-    push:
-        branches: [main]
-    pull_request:
-        branches: [main]
-
-jobs:
-    test:
-        runs-on: ubuntu-latest
-        steps:
-            - uses: actions/checkout@v4
-
-            - name: Setup Node.js
-              uses: actions/setup-node@v4
-              with:
-                  node-version: 20
-
-            - name: Install Frontend Dependencies
-              run: cd frontend && npm ci
-
-            - name: Lint Frontend
-              run: cd frontend && npm run lint || echo "Linting not configured yet"
-
-            - name: Build Frontend
-              run: cd frontend && npm run build
-
-            - name: Validate Playlist Normalization
-              run: cd backend/playout && go run src/playlist.go playlist.txt || echo "Validation script not yet complete"
-
-            - name: Build Docker Images
-              run: docker compose build --no-cache
-
-            - name: Run Tests
-              run: echo "Tests will be added in future CI steps (per TODO.md)"