Defensive belt-and-suspenders for "no /help hint on join":
1. motd.txt already emptied (commit 7e7d18e)
2. LP: 'lp group default permission set essentials.motd false' applied
live (h2 db updated at 18:35). Default group can no longer trigger
on-join motd even if motd.txt gets refilled later.
ProAntiTab storage.yml: add lp + luckperms to global allow-list so the
deny-perm command itself can run via rcon (whitelist mode was blocking).
Note: LP h2 storage isn't tracked in repo (.empty-103450 placeholder
files only). Live server is source of truth for LP state.