<?xml version="1.0" encoding="UTF-8"?>
        <!-- Warning: Do not edit this file. It is automatically
             generated and your changes will be overwritten.
             The tool to do so lives in the tools directory of this
             repository -->
        <para xmlns="http://docbook.org/ns/docbook" version="5.0">
        <table rules="all">
          <caption>Description of configuration options for metadata</caption>
           <col width="50%"/>
           <col width="50%"/>
           <thead>
              <tr>
                  <td>Configuration option=Default value</td>
                  <td>Description</td>
              </tr>
          </thead>
          <tbody>
              <tr>
                       <td>auth_strategy=keystone</td>
                       <td>(StrOpt) The type of authentication to use</td>
              </tr>
              <tr>
                       <td>auth_strategy=keystone</td>
                       <td>(StrOpt) The type of authentication to use</td>
              </tr>
       </tbody>
        </table>
        </para>
<?xml version="1.0" encoding="UTF-8"?>
        <!-- Warning: Do not edit this file. It is automatically
             generated and your changes will be overwritten.
             The tool to do so lives in the tools directory of this
             repository -->
        <para xmlns="http://docbook.org/ns/docbook" version="5.0">
        <table rules="all">
          <caption>Description of configuration options for metadata</caption>
           <col width="50%"/>
           <col width="50%"/>
           <thead>
              <tr>
                  <td>Configuration option=Default value</td>
                  <td>Description</td>
              </tr>
          </thead>
          <tbody>
              <tr>
                       <td>auth_strategy=keystone</td>
                       <td>(StrOpt) The type of authentication to use</td>
              </tr>
       </tbody>
        </table>
        </para>

Remove the duplicates of auth_strategy=keystone in Configuration Reference
Remove the duplicates of auth_strategy=keystone in Configuration Reference

Remove all duplicate instances of auth_strategy=keystone from all applicable tables
Does NOT remove db_backend=sqlalchemy as it appears  still to be valid in baremetal

Change-Id: I9e144ac70d44ffa0561055ca3aa935db36dbed2d
