updated sql script

Author: rupinSec

scripts/sql/32603301_reference-5-1-0.down.sql

@@ -1,5 +1,3 @@
 DELETE FROM global_strategy_metadata_chart_ref_mapping WHERE chart_ref_id=(select id from chart_ref where version='5.1.0' and name is null);
 
-DELETE FROM "public"."chart_ref" WHERE ("location" = 'reference-chart_5-1-0' AND "version" = '5.1.0');
-
-UPDATE "public"."chart_ref" SET "is_default" = 't' WHERE "location" = 'deployment-chart_4-20-0' AND "version" = '4.20.0';
+DELETE FROM "public"."chart_ref" WHERE ("location" = 'reference-chart_5-1-0' AND "version" = '5.1.0');