chore(ci): remove pull request quality workflow

.github/workflows/ci.yml

@@ -1,44 +0,0 @@
-name: CI
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-permissions:
-  contents: read
-
-concurrency:
-  group: ci-${{ github.workflow }}-${{ github.ref }}
-  cancel-in-progress: true
-
-jobs:
-  quality:
-    name: Lint, Typecheck, Test
-    runs-on: ubuntu-latest
-
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-
-      - name: Setup Node.js
-        uses: actions/setup-node@v4
-        with:
-          node-version: 22
-          cache: npm
-
-      - name: Install dependencies
-        run: npm ci --ignore-scripts
-
-      - name: Lint
-        run: npm run lint
-
-      - name: Typecheck
-        run: npx tsc --noEmit
-
-      - name: Unit tests
-        run: npm run test
-
-      - name: Verify i18n keys
-        run: npm run i18n:check