Revert "Add Wifi Display Support to Galaxy Nexus (1/3)"

This reverts commit e3cf8c22249b69e2bc09fea28651cb51b55f2d30.
Mira Cast Part 3/7

This series of patches is from s107ken's xda post here:
http://forum.xda-developers.com/galaxy-nexus/development/rom-maguro-meets-kitkat-miracast-t2540694/post52562917
The Tuna community, states it is working as intented

Mira4u is the work of kensuke
https://github.com/kensuke/How-to-Miracast-on-AOSP

Parts:
Build 1/7 (This will likely be abandoned in favor of building from device and/or vendor)
Device/samy/tuna 2/7
external/wpa 3/7
fw_av 4/7
fw_base  5/7
fw_native 6/7
packages/apps/mira4u 7/7

WTF is Miracast?... basically, the open source chromecast
http://en.wikipedia.org/wiki/Miracast

Please note,... the way this was patches has a great possibly to step on other commits, I will attempt to ensure this does not happen

Change-Id: I0189f4a678baf3104a80b166128ab2d78a7ff94d