Remove unused Join callback

src/matrix_rssbot/classes/bot.py

@@ -320,7 +320,7 @@ class RSSBot:
                     self.room_ignore_list.append(invite)
 
             else:
-                self.send_message(invite, "Thank you for inviting me to your room!")
+                await self.send_message(invite, "Thank you for inviting me to your room!")
 
     async def upload_file(
         self,

src/matrix_rssbot/classes/callbacks/join.py

@@ -1,20 +0,0 @@
-from contextlib import closing
-
-async def join_callback(response, bot):
-    bot.logger.log(
-        f"Join response received for room {response.room_id}", "debug")
-    
-    bot.matrix_client.joined_rooms()
-
-    with closing(bot.database.cursor()) as cursor:
-        cursor.execute(
-            "SELECT space_id FROM user_spaces WHERE user_id = ? AND active = TRUE", (event.sender,))
-        space = cursor.fetchone()
-
-    if space:
-        bot.logger.log(f"Adding new room to space {space[0]}...")
-        await bot.add_rooms_to_space(space[0], [new_room.room_id])
-
-    bot.matrix_client.keys_upload()
-
-    await bot.send_message(bot.matrix_client.rooms[response.room_id], "Hello! Thanks for inviting me! How can I help you today?")