Cleanup unused dependency to libprocessgroup am: e8d6df1231

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/1815076

Change-Id: I2250ddd495b6dc05b5161e0739f6f3fefc69f63d
tree: 7469302153cfea0896a255c589297ca6291c0c6b
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. PREUPLOAD.cfg