Revert "Handle exceptions in ConnectionRequestBuilderImpl#fireAndForget (#875)" (#978)

This reverts commit b4e04204a9.

proxy/src/main/java/com/velocitypowered/proxy/connection/client/ConnectedPlayer.java

@@ -1244,10 +1244,7 @@ public class ConnectedPlayer implements MinecraftConnectionAssociation, Player,
 
     @Override
     public void fireAndForget() {
-      connectWithIndication().exceptionally((ex) -> {
-        logger.error("Exception while connecting with indication", ex);
-        return null;
-      });
+      connectWithIndication();
     }
   }
 }