Revert "net: macsec: indicate next pn update when offloading"

This reverts commit 0d86ad06 which is
commit 0412cc84 upstream.

It breaks the Android ABI so revert it for now, if it is needed in the
future, it can be brought back in an ABI-safe way.

Bug: 161946584
Change-Id: Ib59e80373b59f1e88b36f676ddd3a34832af7dfd
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>