Clean chart hash map (#13611)

Clean chart hash map after 7 days (eventually to be removed)

database/sqlite/sqlite_aclk.c

@@ -1023,6 +1023,10 @@ void sql_check_aclk_table_list(struct aclk_database_worker_config *wc)
     }
     db_execute("DELETE FROM dimension_delete WHERE host_id NOT IN (SELECT host_id FROM host) "
                " OR unixepoch() - date_created > 604800;");
+
+    db_execute("DELETE FROM chart_hash WHERE CAST(last_used AS INT) < unixepoch() - 604800;");
+    db_execute("DELETE FROM chart_hash_map WHERE hash_id NOT IN (SELECT hash_id FROM chart_hash);");
+
     return;
 }