include/openssl/macros.h: add missing #undef OPENSSL_NO_DEPRECATED_3_5

include/openssl/macros.h: add missing #undef OPENSSL_NO_DEPRECATED_3_5

Complements: 0bba82188186 "Deprecate all BIO_meth_get_*() functions"
Signed-off-by: Eugene Syromiatnikov <esyr@openssl.org>
Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Frederik Wedel-Heinen <fwh.openssl@gmail.com>
Reviewed-by: Neil Horman <nhorman@openssl.org>
MergeDate: Tue Mar 17 17:12:18 2026
(Merged from https://github.com/openssl/openssl/pull/30400)

(cherry picked from commit 40f076965f154e307a0821088b6adcc447ceae01)