Revert "bpf: decouple prune and jump points"

This reverts commit 743f3548 which is
commit bffdeaa8 upstream.

It breaks the Android kernel abi and can be brought back in the future
in an abi-safe way if it is really needed.

Bug: 161946584
Change-Id: If00d7f3353d6d173c93006a76d575194c7e4f517
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>