Add SteamwarDiscordBot rich presence

src/de/steamwar/bungeecore/bot/SteamwarDiscordBot.java

@@ -157,7 +157,6 @@ public class SteamwarDiscordBot {
                 return null;
             }
         });
-        builder.setActivity(Activity.playing("auf Steamwar.de"));
         builder.setStatus(OnlineStatus.ONLINE);
         try {
             jda = builder.build();