Remove get_possibly_stale_jobs from metastore (#189)

Author: amritghimire

src/datachain/data_storage/metastore.py

@@ -421,10 +421,6 @@ def set_job_and_dataset_status(
     ) -> None:
         """Set the status of the given job and dataset."""
 
-    @abstractmethod
-    def get_possibly_stale_jobs(self) -> list[tuple[str, str, int]]:
-        """Returns the possibly stale jobs."""
-
 
 class AbstractDBMetastore(AbstractMetastore):
     """

src/datachain/data_storage/sqlite.py

@@ -496,9 +496,6 @@ def _dataset_dependencies_select_columns(self) -> list["SchemaItem"]:
     def _jobs_insert(self) -> "Insert":
         return sqlite.insert(self._jobs)
 
-    def get_possibly_stale_jobs(self) -> list[tuple[str, str, int]]:
-        raise NotImplementedError("get_possibly_stale_jobs not implemented for SQLite")
-
 
 class SQLiteWarehouse(AbstractWarehouse):
     """