[landing] removed old team members

Summary:
Removed old team members from the remove list on linear

Linear task: ENG-1506

Test Plan:
Please view the attached screenshots to see the before and after of the changes I made:

Before:

After:

Reviewers: atul, rohan, abosh

Reviewed By: atul

Subscribers: ashoat, tomek, atul, abosh

Differential Revision: https://phab.comm.dev/D5252