Revert "Enable rndis support for USB Tethering"

This reverts commit 8c5b945b5cef10063e66820b85e7c98f25b4dced

Change-Id: I460746ad0783b3ecb4857b8f17a08bbd00383287
Merge "Revert "Enable rndis support for USB Tethering"" into jb4.2