* Simplify `num_connected_peers`
* Track requested peer counts
* Revert "Track requested peer counts"
This reverts commit 9f1c8704353df6afc17ed7e9f4ab8d8e29466ae4.
* Remove `substrate_sub_libp2p_peerset_num_requested` metric
* Remove two unused functions that I forgot to get rid of in previous commit