bpf: remove DEFAULT_BPF_PROG_(SELINUX_CONTEXT|PIN_SUBDIR) am: f7abc4378a am: 4551930c46

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Connectivity/+/3221268

Change-Id: Id0c9a70c449f8b5ed8ec008b3f66fb8f0f77c966
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>