Revert "Native Wifi tethering part 1"

This reverts commit b300df3fe94fcb733b64a27a5142b83ee1b25e1e.
net: backport Adaptive RED Net Scheduler from 3.4 kernel

Change-Id: I9f520e0227f9cca8a592edac658d8577fd79d9af

Conflicts:
	arch/arm/configs/cm7gen1_defconfig
	arch/arm/configs/cm7gen2_defconfig