Remove tetheroffload service

Test: m checkvintf
      run vts -m VtsHalTetheroffloadControlV1_0TargetTest
Bug: 207076973
Bug: 214494717
Change-Id: Idd33fbd5e9750e16fb4e2339953bd8d9007b88fb
Merged-In: Idd33fbd5e9750e16fb4e2339953bd8d9007b88fb
1 file changed