3882 remove xmod & friends

@@ -220,10 +220,11 @@
         gssint_mecherrmap_map;
         gssint_mecherrmap_map_errcode;
         gsskrb5_extract_authz_data_from_sec_context;
         gss_krb5_ccache_name;
         gss_krb5_copy_ccache;
+        gss_mech_initialize;
         gss_mech_krb5;
         gss_mech_krb5_old;
         gss_mech_krb5_wrong;
         gss_mech_set_krb5;
         gss_mech_set_krb5_both;

@@ -746,13 +747,15 @@
         krb5int_setspecific;
         krb5int_vset_error;
         kwarn_add_warning;
         kwarn_del_warning;
         kv5m_error_table;
+        mit_afs_string_to_key;
         mit_des_check_key_parity;
         mit_des_fixup_key_parity;
         mit_des_is_weak_key;
+        mit_des_string_to_key_int;
         ovk_error_table;
         ovku_error_table;
         prof_error_table;
         profile_add_node;
         profile_add_relation;