Revert "Implement Support for MinecraftForge / FML 1.7.10"

This reverts commit cfad2c65d4944ac21d967e7af0594cf4199275b8.

Conflicts:

	proxy/src/main/java/net/md_5/bungee/ServerConnector.java
	proxy/src/main/java/net/md_5/bungee/connection/UpstreamBridge.java