Update edit_event proto

To make it consistent with the proto stored in g3
logs/proto/wireless/android/adte/edit_monitor/edit_event.proto

Test: None
Change-Id: I93ffa3651563eaf2137cb6b30b00c4d180f84923
diff --git a/tools/edit_monitor/proto/edit_event.proto b/tools/edit_monitor/proto/edit_event.proto
index b3630bc..dc3d3f6 100644
--- a/tools/edit_monitor/proto/edit_event.proto
+++ b/tools/edit_monitor/proto/edit_event.proto
@@ -36,8 +36,6 @@
   // Event that logs errors happened in the edit monitor.
   message EditMonitorErrorEvent {
     ErrorType error_type = 1;
-    string error_msg = 2;
-    string stack_trace = 3;
   }
 
   // ------------------------