remove inprocess tethering am: 024cbc3418 am: c41b775d22 am: 1a790b6e9a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2587329

Change-Id: Idd2299bd82a718c48102b4fc94dc132b210841d0
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>