ci: remove pr workflow

.gitea/workflows/pr.yml

@@ -1,28 +0,0 @@
-name: Pull Request Check
-on:
-  pull_request:
-    branches:
-      - main
-
-jobs:
-  validate:
-    runs-on: ubuntu-latest
-    steps:
-    - name: 🏗 Setup repo
-      uses: actions/checkout@v2
-
-    - name: 🏗 Setup Node
-      uses: actions/setup-node@v2
-      with:
-        node-version: 22
-
-    - name: 🏗 Setup pnpm
-      uses: pnpm/action-setup@v4
-      with:
-        version: latest
-
-    - name: 📦 Install dependencies
-      run: pnpm install
-
-    - name: 🧪 Check for linting/type errors
-      run: npx expo export --platform web