Revert "Fix XFRM-I support for nested ESP tunnels"

This reverts commit 88797583.

This change breaks android.net.cts.IpSecManagerTunnelTest CTS tests.

BUG=b:278315511
TEST=tast run $DUT arc.Boot.vm

Signed-off-by: Suleiman Souhlal <suleiman@google.com>
Change-Id: Ib08e37802f1dd8968b15a41b04bdb9fa7ec3207d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/4431710


Tested-by: Kazuhiro Inaba <kinaba@chromium.org>
Reviewed-by: Hugo Benichi <hugobenichi@google.com>
Reviewed-by: Kazuhiro Inaba <kinaba@chromium.org>
Tested-by: Suleiman Souhlal <suleiman@chromium.org>
Commit-Queue: Kazuhiro Inaba <kinaba@chromium.org>