[L0] reset and clean the command list on error unknown

Signed-off-by: Neil R. Spruit <neil.r.spruit@intel.com>

Author: nrspruit

source/adapters/level_zero/queue.cpp

@@ -1207,10 +1207,6 @@ ur_queue_handle_t_::executeCommandList(ur_command_list_ptr_t CommandList,
         (ZeCommandQueue, 1, &ZeCommandList, CommandList->second.ZeFence));
     if (ZeResult != ZE_RESULT_SUCCESS) {
       this->Healthy = false;
-      if (ZeResult == ZE_RESULT_ERROR_UNKNOWN) {
-        // Turn into a more informative end-user error.
-        return UR_RESULT_ERROR_UNKNOWN;
-      }
       // Reset Command List and erase the Fence forcing the user to resubmit
       // their commands.
       std::vector<ur_event_handle_t> EventListToCleanup;