Merge "remove unused macros SKIP_IF_BPF{,_NOT}_SUPPORTED" am: 71e977fb0d

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/1552947

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: Ie1d9d4239caa6ddcf6da5252a346e47cabdaec9e
tree: de40bac92f1376077e7fbfdc00875c46afba8e1e
  1. bpfloader/
  2. libbpf_android/
  3. progs/
  4. Android.bp
  5. NOTICE
  6. OWNERS
  7. PREUPLOAD.cfg