shell/kconf_update: don't remove shortcut added in 6.1
Reason for the change
Bug fix -- previously update script also removes shortcut added in 6.1.
Test plan
Create new user. Verify that BUG: 488494 has been fixed.
Bug fix -- previously update script also removes shortcut added in 6.1.
Create new user. Verify that BUG: 488494 has been fixed.