Remove early exit in test

Author: Hugh Delaney

sycl/test-e2e/HostInteropTask/interop-task-cuda-buffer-migrate.cpp

@@ -28,12 +28,6 @@ int main() {
       platform(gpu_selector_v).get_devices(info::device_type::gpu);
   std::cout << Devices.size() << " devices found" << std::endl;
 
-  if (Devices.size() == 1) {
-    // Since this is XFAIL for Devices.size() > 1 we need to return failure if
-    // test can't run
-    return 1;
-  }
-
   context C(Devices);
 
   int Index = 0;