Remove nightly test for g++ support

Author: LiyangLingIntel

.github/workflows/intel_test_gpp_host.yml

@@ -34,11 +34,7 @@ jobs:
             intel_graphics: ROLLING
             sycl_target: intel_gpu_pvc
             runner: pvc146162-01
-          - compiler: NIGHTLY
-            gpu: PVC
-            intel_graphics: ROLLING
-            sycl_target: intel_gpu_pvc
-            runner: pvc146162-01
+
 
     name: Run Intel ${{ matrix.compiler }} tests on ${{ matrix.gpu }} with intel-graphics ${{ matrix.intel_graphics }}
     runs-on: ${{ matrix.runner }}