Fix duplicate cipher definition in ssl/t1_trce.c

Fix duplicate cipher definition in ssl/t1_trce.c

This commit removes the duplicate definition of cipher 0xC102 in
ssl/t1_trce.c, as reported in issue #27303.

The first definition (IANA-GOST2012-GOST8912-GOST8912) is kept as the
canonical one.

Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Saša Nedvědický <sashan@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/27329)