[SYCL][L0] Remove a TODO (#6247)

The code is already doing the right thing.

Author: aelovikov-intel

sycl/plugins/level_zero/pi_level_zero.cpp

@@ -5339,9 +5339,9 @@ pi_result piEventGetInfo(pi_event Event, pi_event_info ParamName,
       }
     }
 
-    // TODO: We don't know if the status is queued, submitted or running.
-    //       For now return "running", as others are unlikely to be of
-    //       interest.
+    // Level Zero has a much more explicit notion of command submission than
+    // OpenCL. It doesn't happen unless the user submits a command list. We've
+    // done it just above so the status is at least CL_RUNNING.
     pi_int32 Result = CL_RUNNING;
 
     // Make sure that we query a host-visible event only.