[identity] Allow excluding devices in CSAT deletion func

Summary:
Part of ENG-10413.
Reworked user CSAT removal function to skip some device IDs.

Depends on D14496

Test Plan: Tested on staging along with the rest of the stack.

Reviewers: kamil

Reviewed By: kamil

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D14497