[lib][web][native] Remove sessionID redux field

Summary:
issue: https://linear.app/comm/issue/ENG-4457/refactor-sessionid-field
Removing sessionID redux field. It is now replaced by sessionID in keyserverStore

Test Plan: ran yarn flow-all.

Reviewers: michal, kamil

Reviewed By: michal

Subscribers: ashoat, tomek

Differential Revision: https://phab.comm.dev/D8646