[openssl/openssl] 56de1f: Drop explicit check for engines in opt_legacy_okay

[Simo Sorce]

  Branch: refs/heads/openssl-3.0
  Home:   https://github.com/openssl/openssl
  Commit: 56de1f3ce3dc3f7618ba24d3fd658ef99587004b
      https://github.com/openssl/openssl/commit/56de1f3ce3dc3f7618ba24d3fd658ef99587004b
  Author: Simo Sorce <simo at redhat.com>
  Date:   2022-11-16 (Wed, 16 Nov 2022)

  Changed paths:
    M apps/lib/apps.c
    A test/recipes/20-test_legacy_okay.t

  Log Message:
  -----------
  Drop explicit check for engines in opt_legacy_okay

The providers indication should always indicate that this is not a
legacy request.
This makes a check for engines redundant as the default return is that
legacy is ok if there are no explicit providers.

Fixes #19662

Signed-off-by: Simo Sorce <simo at redhat.com>

Reviewed-by: Dmitry Belyavskiy <beldmit at gmail.com>
Reviewed-by: Paul Dale <pauli at openssl.org>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/19671)

(cherry picked from commit 2fea56832780248af2aba2e4433ece2d18428515)