fix port remove event

Signed-off-by: Dante Su <[email protected]>

Author: ds952811

sonic-xcvrd/xcvrd/xcvrd_utilities/port_mapping.py

@@ -164,7 +164,7 @@ def read_port_config_change(asic_context, port_mapping, logger, port_change_even
 
                 if port_mapping.is_logical_port(key):
                     port_change_event = PortChangeEvent(key,
-                                                        physical_index,
+                                                        port_mapping.get_logical_to_physical(key)[0],
                                                         asic_context[port_tbl],
                                                         PortChangeEvent.PORT_REMOVE,
                                                         fvp)
@@ -186,4 +186,4 @@ def get_port_mapping():
             port_config_dict = dict(port_config)
             port_change_event = PortChangeEvent(key, port_config_dict['index'], asic_id, PortChangeEvent.PORT_ADD)
             port_mapping.handle_port_change_event(port_change_event)
-    return port_mapping
+    return port_mapping