Doing so would get us in a loop where we continue to request connections but we end up disconnecting them due to already having our maximum number of peers.
Coverage increased (+0.1%) to 70.835% when pulling 8e08ede36959051fe967b9ad3ff65577f12eee2c on wpaulino:no-request-max-peers into ebbd2d8c1b0a33004abde179f677fb04ea5a4e46 on lightninglabs:master.
Doing so would get us in a loop where we continue to request connections but we end up disconnecting them due to already having our maximum number of peers.