Mark BIT_STRING_BITNAME as obsolete and intentionally undocumented.

In asn1.h rev. 1.80 (July 28, 2023), tb@ removed the last three
functions that were using this data type from the public API.

diff --git a/regress/lib/libcrypto/man/check_complete.pl b/regress/lib/libcrypto/man/check_complete.pl
index b937c19..545d496 100755 (executable)
--- a/regress/lib/libcrypto/man/check_complete.pl
+++ b/regress/lib/libcrypto/man/check_complete.pl
@@ -45,6 +45,7 @@ my %obsolete = (
        ASN1_i2d_bio ASN1_i2d_bio_of ASN1_i2d_bio_of_const
        ASN1_i2d_fp ASN1_i2d_fp_of ASN1_i2d_fp_of_const
        ASN1_LONG_UNDEF
+       BIT_STRING_BITNAME
        ub_title
        V_ASN1_PRIMATIVE_TAG
        X509_algor_st