bpfloader: remove support for networking bpf programs am: a00b2ad3df am: b80978b195 am: 01e745199e

Original change: https://android-review.googlesource.com/c/platform/system/bpf/+/2777982

Change-Id: Ide7e637786bc1ded08a8129e7b9a09fadfd57a63
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>