rollback extra node for PR

Author: davidLif

.github/workflows/on-pr.yaml

@@ -115,7 +115,7 @@ jobs:
   e2e-tests:
     name: Run E2E Tests
     needs: [ build ]
-    runs-on: ubuntu-latest-2-cores
+    runs-on: ubuntu-latest
     steps:
       - name: Checkout code
         uses: actions/checkout@v4

hack/e2e-kind-config.yaml

@@ -14,6 +14,3 @@ nodes:
 - role: worker
   labels:
     run.ai/simulated-gpu-node-pool: default
-- role: worker
-  labels:
-    run.ai/simulated-gpu-node-pool: default