Revert "[aml] add network Manager"

This reverts commit 788783e2d15d0063d2269c39b18bfdd768094bac.

Conflicts:
	xbmc/Application.cpp
	xbmc/network/INetworkManager.h
	xbmc/network/NetworkManager.cpp
	xbmc/network/NetworkManager.h
	xbmc/network/NetworkUtils.cpp
	xbmc/network/NetworkUtils.h
	xbmc/network/linux/PosixConnection.cpp
	xbmc/network/linux/PosixNetworkManager.cpp
	xbmc/network/linux/PosixNetworkManager.h
	xbmc/utils/Makefile