Remove BpfBaseTest processgroup test. am: eb85ea5f2a

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3369257

Change-Id: Iecff6a5f9d58c60c223f6919ce6230f0bb432a9e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>