Merge "remove dead register_com_android_networkstack_tethering_BpfUtils" into main am: 9ff799122f

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/2820231

Change-Id: Idd283ba629bc7dea4b6c0b51de311ab60ae83259
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>