Revert "sqlsmith: skip crdb_internal.reset_multi_region_zone_configs_…

…for_database"

This reverts commit c1a959a.
That commit was unnecessary because
crdb_internal.reset_multi_region_zone_configs_for_database already
existed in the list of functions to skip.

Release note: None

pkg/internal/sqlsmith/schema.go

@@ -503,7 +503,6 @@ var functions = func() map[tree.FunctionClass]map[oid.Oid][]function {
 			"crdb_internal.start_replication_stream",
 			"crdb_internal.replication_stream_progress",
 			"crdb_internal.complete_replication_stream",
-			"crdb_internal.reset_multi_region_zone_configs_for_database",
 		} {
 			skip = skip || strings.Contains(def.Name, substr)
 		}