MOCK_BPF: Remove bpf mocking library am: b01b5c8a92 am: 1fe6d53a7c

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/3349523

Change-Id: Idfc8b7da3df5900e0bb8a5c9c09991cff2e24e4a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>