mod_mam_archive: remove invalid disco#info feature The feature which was previously added to disco#info was in fact specified to be used for stream features only (see XEP-0136 section 11). Emitting it in disco#info is weird at best and breaks stuff at worst.

-- Provides total CPU time, useful for DERIVE

module:set_global();

module:provides("statistics", {
	statistics = {
		cpu_total = { -- milliseconds of CPU time used
			get = function()
				return os.clock() * 1000;
			end
		}
	}
});