refactor(pr.yml): simplify test job by removing Nx Cloud agent commands

Author: manudeli

.github/workflows/pr.yml

@@ -22,16 +22,10 @@ jobs:
         uses: actions/[email protected]
         with:
           fetch-depth: 0
-      - name: Start Nx Agents
-        run: npx nx-cloud start-ci-run
       - name: Setup Tools
         uses: tanstack/config/.github/setup@main
-      - name: Get base and head commits for `nx affected`
-        uses: nrwl/[email protected]
       - name: Run Tests
-        run: pnpm run test:pr --parallel=3
-      - name: Stop Agents
-        run: npx nx-cloud stop-all-agents
+        run: pnpm run test:pr
       - name: Upload coverage to Codecov
         uses: codecov/codecov-action@v3
   format: