fix: remove rds-postgresql-aurora from addons ui (#4008)

dashboard/src/main/home/add-on-dashboard/NewAddOnFlow.tsx

@@ -34,7 +34,8 @@ const HIDDEN_CHARTS = [
   "loki",
   "porter-agent",
   "rds-chart",
-  "rds-postgresql"
+  "rds-postgresql",
+  "rds-postgresql-aurora"
 ];
 
 //For Charts that don't exist locally we need to add them in manually