remove inprocess tethering am: e15e91ea0d

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/2589605

Change-Id: I0f5fe75cf3d1141684b8852ebd316630c93acce5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>