ref(py3): dataset should not be @abstractmethod on PostgresSnubaQueryExecutor (#20767)

src/sentry/search/snuba/executors.py

@@ -253,7 +253,6 @@ class PostgresSnubaQueryExecutor(AbstractQueryExecutor):
     }
 
     @property
-    @abstractmethod
     def dataset(self):
         return snuba.Dataset.Events