Remove unused message
@@ -659,7 +659,6 @@ command.exception.subcommands=&cSubcommands: &e{0}
command.usage.module=&eModule: &f{0} &e(ID: &f{1}&e)
command.usage.header=&aUsage for &e/{0}
command.usage.playeronly=&eThe command can only be run by players.
-command.usage.mixin=&eThis command requires the installation of the Nucleus Mixin plugin.
command.usage.summary=&eSummary:
command.usage.description=&eDescription:
command.usage.usage=&eUsage:
