Fix crash when project sets 'auto_open' option and a remote GNS3 VM is used. Fixes https://github.com/GNS3/gns3-gui/issues/3014

gns3server/controller/gns3vm/remote_gns3_vm.py

@@ -51,7 +51,6 @@ class RemoteGNS3VM(BaseGNS3VM):
 
         if not self.vmname:
             return
-        vm_compute = None
         for compute in self._controller.computes.values():
             if compute.name == self.vmname:
                 self.running = True