[ctgmgr]: do not remove label when do systemd service stop when service is in kube mode (#15642) (#15878)

src/sonic-ctrmgrd/ctrmgr/container

@@ -288,7 +288,7 @@ def container_stop(feature, **kwargs):
     set_owner, _ , _ = read_config(feature)
     current_owner, remote_state, _ = read_state(feature)
     docker_id = container_id(feature)
-    remove_label = (remote_state != "pending") or (set_owner == "local")
+    remove_label = (set_owner == "local")
 
     debug_msg("{}: set_owner:{} current_owner:{} remote_state:{} docker_id:{}".format(
         feature, set_owner, current_owner, remote_state, docker_id))

src/sonic-ctrmgrd/tests/container_test.py

@@ -244,11 +244,6 @@ stop_test_data = {
                         "container_id": "",
                         "container_version": "20201230.1.15"
                     }
-                },
-                common_test.KUBE_LABEL_TABLE: {
-                    "SET": {
-                        "snmp_enabled": "false"
-                    }
                 }
             }
         },