Remove deprecated submission code. Address ruff smells.

main.py

@@ -1,6 +1,4 @@
-"""
-main file for highscores bot
-"""
+"""Main file for Agon bot."""
 
 import logging
 import os
@@ -9,9 +7,6 @@ import sys
 import nextcord
 from nextcord.ext import commands
 
-from classes.submission import SubmissionMap
-
-# pylint: disable=import-error
 from utilities import config
 
 logger = logging.getLogger("nextcord")
@@ -20,14 +15,12 @@ handler = logging.FileHandler(filename="nextcord.log", encoding="utf-8", mode="w
 handler.setFormatter(logging.Formatter("%(asctime)s:%(levelname)s:%(name)s: %(message)s"))
 logger.addHandler(handler)
 
-submission_objects: SubmissionMap = SubmissionMap()
 
-
-def main():
+def main() -> None:
     """Main function for bot."""
-    min_python_version = (3, 8)
+    min_python_version = (3, 12)
     if sys.version_info < min_python_version:
-        print("ERROR: Python version must be >= 3.8")
+        logger.error("ERROR: Python version must be >= 3.12")
         sys.exit()
 
     # Allows privileged intents for monitoring members joining, roles editing, and role assignments
@@ -37,12 +30,6 @@ def main():
     # Required in order to read messages (eg. prefix commands)
     intents.message_content = True  # pylint: disable=assigning-non-slot
 
-    # To enable the guilds priveleged intent:
-    # intents.guilds = True
-
-    # To enable the members priveleged intent:
-    # intents.members = True
-
     bot = commands.Bot(
         commands.when_mentioned_or(config.BOT_PREFIX),
         intents=intents,
@@ -53,10 +40,10 @@ def main():
         bot.load_extension(f"cogs.{folder}")
 
     @bot.listen()
-    async def on_ready():
-        """When Discord is connected"""
-        assert bot.user is not None
-        print(f"{bot.user.name} has connected to Discord!")
+    async def on_ready() -> None:
+        """When Discord is connected."""
+        if bot.user is not None:
+            logger.debug("%s has connected to Discord!", bot.user.name)
 
     # Run Discord bot
     bot.run(config.DISCORD_TOKEN)