Merge "Tethering: remove redundant source code" am: 18401e3bb0 am: 69c72da2c7 am: 00356b8d79

Change-Id: Ifb9903a985090e85d85e642bd3e6d5a1d68b6bfb
tree: a9c6f6b6efb01f57a67d2ff99315b7d0b492e2d8
  1. Tethering/