Revert "net/tls: fix tls_sk_proto_close executed repeatedly"

Revert "net/tls: fix tls_sk_proto_close executed repeatedly"

This reverts commit 4bf37baec807c1fa0377c26f495f04cb90ff8822.

This commit was just papering over the issue, ULP should not
get ->update() called with its own sk_prot. Each ULP would
need to add this check.

Fixes: 4bf37baec807 ("net/tls: fix tls_sk_proto_close executed repeatedly")
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Reviewed-by: John Fastabend <john.fastabend@gmail.com>
Link: https://lore.kernel.org/r/20220620191353.1184629-1-kuba@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>