[openssl/openssl] d561fe: ssl_get_min_max_version(): Remove unused variable ...

[shub-al]

  Branch: refs/heads/master
  Home:   https://github.com/openssl/openssl
  Commit: d561fe5a0aabb4d0a9400b5086441bb4f4b4dca4
      https://github.com/openssl/openssl/commit/d561fe5a0aabb4d0a9400b5086441bb4f4b4dca4
  Author: shub-al <aleksandrshubnikov97 at gmail.com>
  Date:   2023-08-20 (Sun, 20 Aug 2023)

  Changed paths:
    M ssl/statem/statem_lib.c

  Log Message:
  -----------
  ssl_get_min_max_version(): Remove unused variable single

CLA: trivial

Reviewed-by: Tom Cosgrove <tom.cosgrove at arm.com>
Reviewed-by: Tomas Mraz <tomas at openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21768)