mod_s2s_auth_posh: Use unused loop variable for something [luacheck] Saves a function call, shuts up luacheck. In no case does the input list of certificates not result in a list of fingerprints of equal length.

This module discards typing notifications sent to a bare host JID,
preventing error replies to be sent. These errors are harmless but can
be annoying sometimes if your client shows them prominently.