Use the commands module instead of checks for permission decorators (#5463)

Co-authored-by: Flame442 <34169552+Flame442@users.noreply.github.com>

redbot/cogs/mutes/voicemutes.py

@@ -1,11 +1,10 @@
-from typing import Optional, Tuple, Union
+from typing import Optional, Tuple
 from datetime import timezone, timedelta, datetime
 from .abc import MixinMeta
 
 import discord
-from redbot.core import commands, checks, i18n, modlog
+from redbot.core import commands, i18n, modlog
 from redbot.core.utils.chat_formatting import (
-    bold,
     humanize_timedelta,
     humanize_list,
     pagify,