Revert "sctp: add bpf_bypass_getsockopt proto callback"

This reverts commit b190ced5 which is
commit 2598619e upstream.

It breaks the Android abi.  If it is required in the future, it can come
back in an abi-safe way.

Bug: 161946584
Change-Id: Idc0dcb0bd8bec4f81b6a66e99f68b724558a1a73
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>