Improved type-hinting for loggers and removed legacy

cogs/admin.py

@@ -1,5 +1,6 @@
 import logging
 import sys
+from logging import Logger
 
 from discord import (
     ApplicationContext,
@@ -20,7 +21,7 @@ from modules.scheduler import scheduler
 from modules.utils_sync import guild_name
 from modules.waifu_pics import waifu_pics
 
-logger = logging.getLogger(__name__)
+logger: Logger = logging.getLogger(__name__)
 
 
 class Admin(commands.Cog):