[4271] Limitations sections trimmed down

doc/guide/dhcp4-srv.xml

@@ -3584,9 +3584,6 @@ src/lib/dhcpsrv/cfg_host_operations.cc -->
             <simpara>Host reservation (static addresses) is not supported yet.</simpara>
           </listitem>
           <listitem>
-            <simpara>Full featured client classification is not supported yet.</simpara>
-          </listitem>
-          <listitem>
             <simpara>
               BOOTP (<ulink url="http://tools.ietf.org/html/rfc951">RFC 951</ulink>)
               is not supported. This is a design choice. BOOTP support is not planned.
@@ -3609,9 +3606,6 @@ src/lib/dhcpsrv/cfg_host_operations.cc -->
             allocating server should verify that address is not used by
             sending ICMP echo request.</simpara>
           </listitem>
-          <listitem>
-            <simpara>Address duplication report (DECLINE) is not supported yet.</simpara>
-          </listitem>
       </itemizedlist>
     </section>
 

doc/guide/dhcp6-srv.xml

@@ -3828,8 +3828,7 @@ should include options from the isc option space:
 
         <listitem>
           <simpara>
-            Duplication report (DECLINE) and client reconfiguration (RECONFIGURE) are
-            not yet supported.
+            Client reconfiguration (RECONFIGURE) is not yet supported.
           </simpara>
         </listitem>
       </itemizedlist>