krb5 commit [krb5-1.12]: Do not document pkinit_mapping_file

[Tom Yu]

https://github.com/krb5/krb5/commit/c73c60f6ccf9176034b69caf3e3f3aaaba5f2264
commit c73c60f6ccf9176034b69caf3e3f3aaaba5f2264
Author: Greg Hudson <ghudson at mit.edu>
Date:   Sun Jun 1 10:41:27 2014 -0400

    Do not document pkinit_mapping_file
    
    This feature was never implemented in the PKINIT code as it was
    contributed; there was only stub support for reading the filename.
    
    (cherry picked from commit 8da21b0ec18cf9306a8c1b3410d5c6ab36acdd21)
    
    ticket: 7928
    version_fixed: 1.12.2
    status: resolved

 doc/admin/conf_files/kdc_conf.rst |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)

diff --git a/doc/admin/conf_files/kdc_conf.rst b/doc/admin/conf_files/kdc_conf.rst
index d063bf6..edd25b2 100644
--- a/doc/admin/conf_files/kdc_conf.rst
+++ b/doc/admin/conf_files/kdc_conf.rst
@@ -647,10 +647,6 @@ For information about the syntax of some of these options, see
 **pkinit_kdc_ocsp**
     Specifies the location of the KDC's OCSP.
 
-**pkinit_mapping_file**
-    Specifies the name of the ACL pkinit mapping file.  This file maps
-    principals to the certificates that they can use.
-
 **pkinit_pool**
     Specifies the location of intermediate certificates which may be
     used by the KDC to complete the trust chain between a client's