Revert "packet_mmap: expose hw packet timestamps to network packet capture utilities"

This reverts commit cc644ffed1ce8fd8ab76972a8c8638e8374f7eb6.
Revert "net: add __rcu annotation to sk_filter"
fixes build

This reverts commit 7626e65034748a0a131b3fb530a22e4d1f4e77c7.

Signed-off-by: scotthartbti <scott@ubuntu.com>

Conflicts:
	include/net/sock.h
Revert "Revert "packet_mmap: expose hw packet timestamps to network packet capture utilities""

This reverts commit e2a91c927aba1702e786995b15bc184aa86e68c2.