full avatar & remove incorrect on_ready code

cogs/players.py

@@ -50,7 +50,7 @@ class ZomboidUser:
             steam_id=user_data["steamid"],
             profile_name=user_data["personaname"],
             url=user_data["profileurl"],
-            avatar_url=user_data["avatarmedium"]
+            avatar_url=user_data["avatarfull"]
         )
 
         log.debug("successfully parsed steam profile summary for: %s", self.steam_id)
@@ -79,11 +79,6 @@ class PlayersCog(commands.Cog):
     def __init__(self, bot: commands.Bot):
         self.bot = bot
 
-    @commands.Cog.listener()
-    async def on_ready(self):
-        if not self.update_activity.is_running():
-            self.update_activity.start()
-
     async def handle_player_connected(self, line: str):
         """
         Report when a user has joined the server into a specified Discord channel.