fix: #1474 Remove duplicate user records in flyway (#1475)

server/flyway/sql/V50__update_fam_user_constraint_use_guid.sql

@@ -1,5 +1,12 @@
 -- Update unique constraint in fam user table to be user type code and user guid
 
+-- For production data, we need to remove the existing duplication user records
+-- These two users in production seem to have a username change, so we have same user_guid but different user_name for them
+-- Dev and Test environment will ignore the deletion
+DELETE FROM app_fam.fam_user WHERE user_id=943;
+DELETE FROM app_fam.fam_user WHERE user_id=2257;
+
+
 DROP INDEX app_fam.fam_usr_uk;
 
 CREATE UNIQUE INDEX fam_usr_uk ON app_fam.fam_user(user_type_code, user_guid);