drop unused roles and tables

Author: philerooski

synapse_data_warehouse/database_roles/V2.39.1__drop_erroneous_roles.sql

@@ -0,0 +1,5 @@
+-- Some database roles were created prematurely, despite not having
+-- any objects which require permissions in their respective schema.
+DROP DATABASE ROLE SYNAPSE_DATA_WAREHOUSE_DEV.SYNAPSE_TASK_READ;
+DROP DATABASE ROLE SYNAPSE_DATA_WAREHOUSE_DEV.SYNAPSE_VIEW_READ;
+DROP DATABASE ROLE SYNAPSE_DATA_WAREHOUSE_DEV.SYNAPSE_STAGE_READ;

synapse_data_warehouse/synapse/V2.39.0__drop_file_latest_backup.sql

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+USE SCHEMA {{database_name}}.SYNAPSE; --noqa: JJ01,PRS,TMP
+DROP TABLE IF EXISTS FILE_LATEST_BACKUP;