Duplicated sha512 links for Core 5.0-beta7 in download page
diff --git a/src/site/xdoc/downloads.xml b/src/site/xdoc/downloads.xml
index f8e84bc..39131fe 100644
--- a/src/site/xdoc/downloads.xml
+++ b/src/site/xdoc/downloads.xml
@@ -176,13 +176,11 @@
        <a href="[preferred]/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.tar.gz">5.0-beta7.tar.gz</a>
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.tar.gz.sha512">sha512</a>]
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.tar.gz.asc">pgp</a>]
-       [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.tar.gz.sha512">sha512</a>]
      </li>
      <li>
        <a href="[preferred]/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.zip">5.0-beta7.zip</a>
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.zip.sha512">sha512</a>]
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.zip.asc">pgp</a>]
-       [<a href="https://www.apache.org/dist/httpcomponents/httpcore/binary/httpcomponents-core-5.0-beta7-bin.zip.sha512">sha512</a>]
      </li>
     </ul>
     <p>Source</p>
@@ -191,13 +189,11 @@
        <a href="[preferred]/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.tar.gz">5.0-beta7.tar.gz</a>
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.tar.gz.sha512">sha512</a>]
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.tar.gz.asc">pgp</a>]
-       [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.tar.gz.sha512">sha512</a>]
      </li>
      <li>
        <a href="[preferred]/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.zip">5.0-beta7.zip</a>
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.zip.sha512">sha512</a>]
        [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.zip.asc">pgp</a>]
-       [<a href="https://www.apache.org/dist/httpcomponents/httpcore/source/httpcomponents-core-5.0-beta7-src.zip.sha512">sha512</a>]
      </li>
     </ul>
   </subsection>