250330 Clean up variables

Author: Gooraeng

al9oo.py

@@ -29,7 +29,6 @@
     'cogs.error',
     'cogs.event',
     'cogs.feedback',
-    'cogs.history',
     'cogs.reference',
     'cogs.utils',
 )
@@ -75,7 +74,6 @@ def load_mongo_drivers(self):
     async def set_feedback_channel(self):
         try:
             self._feedback_channel = self.get_channel(int(feedback_log_channel)) or await self.fetch_channel(int(feedback_log_channel))
-            self._suggestion_channel = self.get_channel(int(suggestion_channel)) or await self.fetch_channel(int(suggestion_channel))
         except:
             pass
 
@@ -165,10 +163,6 @@ def owner(self) -> discord.User:
     def feedback_channel(self) -> WebhookMessagableChannel:
         return self._feedback_channel
 
-    @property
-    def suggestion_channel(self) -> ForumChannel:
-        return self._suggestion_channel
-    
     @property
     def err_handler(self) -> Optional[error.AppCommandErrorHandler]:
         return self.get_cog('AppCommandErrorHandler')