Remove unused copyWith method from Status class and simplify status assignment in ScheduleBloc

lib/pages/device_managment/all_devices/models/device_status.dart

@@ -57,16 +57,6 @@ class Status {
     };
   }
 
-  Status copyWith({
-    String? code,
-    dynamic value,
-  }) {
-    return Status(
-      code: code ?? this.code,
-      value: value ?? this.value,
-    );
-  }
-
   factory Status.fromJson(String source) => Status.fromMap(json.decode(source));
 
   String toJson() => json.encode(toMap());