HBASE-27289 Remove 1.7.x from our download page (#4797)

Signed-off-by: Xin Sun <ddupgs@gmail.com>

Author: Apache9

src/site/xdoc/downloads.xml

@@ -114,28 +114,6 @@ under the License.
       </td>
       <td><em>stable release</em></td>
     </tr>
-    <tr>
-      <td style="test-align: left">
-        1.7.2
-      </td>
-      <td style="test-align: left">
-        2022/08/09
-      </td>
-      <td style="test-align: left">
-        <a href="https://downloads.apache.org/hbase/1.7.2/api_compare_1.7.1_to_1.7.2RC0.html">1.7.1 vs 1.7.2</a>
-      </td>
-      <td style="test-align: left">
-        <a href="https://github.com/apache/hbase/blob/rel/1.7.2/CHANGES.txt">Changes</a>
-      </td>
-      <td style="test-align: left">
-        <a href="https://issues.apache.org/jira/projects/HBASE/versions/12350412">Release Notes</a>
-      </td>
-      <td style="test-align: left">
-        <a href="https://www.apache.org/dyn/closer.lua/hbase/1.7.2/hbase-1.7.2-src.tar.gz">src</a> (<a href="https://downloads.apache.org/hbase/1.7.2/hbase-1.7.2-src.tar.gz.sha512">sha512</a> <a href="https://downloads.apache.org/hbase/1.7.2/hbase-1.7.2-src.tar.gz.asc">asc</a>) <br />
-        <a href="https://www.apache.org/dyn/closer.lua/hbase/1.7.2/hbase-1.7.2-bin.tar.gz">bin</a> (<a href="https://downloads.apache.org/hbase/1.7.2/hbase-1.7.2-bin.tar.gz.sha512">sha512</a> <a href="https://downloads.apache.org/hbase/1.7.2/hbase-1.7.2-bin.tar.gz.asc">asc</a>)
-      </td>
-      <td />
-    </tr>
   </table>
   </section>
   <section name="Connectors">