[$40] Deleted Linked accounts showing a placeholder under accounts setting page

[LieutenantRoger]

[LieutenantRoger]

Steps:

1. Add your github account on the setting#Links Account section
2. Delete it
3. Go to your profile page
4. Then click the avator in the header -> and select setting -> select Account tab -> Linked Account cateogry

Observe: the deleted github is showing a placeholder

Expected: the github block should not show up

https://monosnap.com/file/l8um8JJ0cioA10rQoCDRNy1guWpyEf

[LieutenantRoger]

Challenge https://www.topcoder.com/challenges/6f9ab0d9-030f-4207-8dfe-5f044c493b59 has been created for this ticket.

This is an automated message for lieutenantroger via Topcoder X

[LieutenantRoger]

Challenge https://www.topcoder.com/challenges/6f9ab0d9-030f-4207-8dfe-5f044c493b59 has been assigned to gauravseta.

This is an automated message for lieutenantroger via Topcoder X

[LieutenantRoger]

@Gauravseta Please use @bug-bash-helper to assign ticket even though you are able to pick ticket directly from the repo. Thanks.