Revert "Fix USB Mass Storage on some devices"

This reverts commit 9eb1cd47520498e181a2d9fb2f3b464ae5327bd8.

Change-Id: I66d3d6bb5633e6df3e8f7db250fc6d62817a5489
Fix mkexfatfs exclusion when TW_NO_EXFAT enabled

Change-Id: I0b831a4e6e52e4b314751035b750e6a398cb4d2d
Merge remote-tracking branch 'omni/android-4.4' into mackay-cm11_new