chore: remove redundant code

Author: plun1331

core/discord_bot.py

@@ -435,15 +435,9 @@ async def send_discord_message(self, message):
                     message = message.replace("Guild >", "")
                     # Member join/leave game notification
                     if "[VIP]" in message or "[VIP+]" in message or "[MVP]" in message or "[MVP+]" in message or "[MVP++]" in message:
-                        if "]:" in message:
-                            memberusername = message.split()[1]
-                        else:
-                            memberusername = message.split()[1]
+                        memberusername = message.split()[1]
                     else:
-                        if "]:" in message:
-                            memberusername = message.split()[0]
-                        else:
-                            memberusername = message.split()[0]
+                        memberusername = message.split()[0]
                     if self.mineflayer_bot.bot.username in memberusername:
                         return
                     if " joined." in message: