refactor: Pass PeerManagerImpl members only once

Summary:
Member variables are already passed to methods via this, so no need to pass them another time as function parameter.

Can be reviewed with

--word-diff-regex=. --ignore-all-space

This is a backport of core#21425

Test Plan: ninja all check-all

Reviewers: #bitcoin_abc, Fabien

Reviewed By: #bitcoin_abc, Fabien

Differential Revision: https://reviews.bitcoinabc.org/D13306