Remove second MotD line for legacy pings.

Prevents strange characters and the second line of the MotD from appearing on outdated clients (like 1.6.4 or older). (Also why does BungeeCord display `1.7.9` as Minecraft version and not `1.7.10`? Is there a special reason for that?)

![](https://cloud.githubusercontent.com/assets/3035868/4024212/5beb56b6-2bbd-11e4-82a7-35dc7fe89fae.png)
![](https://cloud.githubusercontent.com/assets/3035868/4024233/d94f6c5e-2bbe-11e4-9882-4a97436526fd.png)