[#278,!162] Minor doxygen clean up

doc/devel/congestion-handling.dox

@@ -144,7 +144,7 @@ an isc::data::MapElement instance containing the contents of the configuration
 element "dhcp-queue-control" from the Kea server's configuration. It will
 always have the following two values:
 
--# "queue-enable" - used by isc::dhcp::IfaceMgr to know whether or not
+-# "enable-queue" - used by isc::dhcp::IfaceMgr to know whether or not
 congestion handling is enabled. Your implementation need not do anything
 with this value.
 

src/lib/dhcp/packet_queue_ring.h

@@ -73,9 +73,6 @@ public:
     /// that the packet has NOT been unpacked at this point. The default 
     /// implementation simply returns false (i.e. keep the packet).
     ///
-    /// @param packet the packet under consideration
-    /// @param source the socket the packet came from
-    ///
     /// @return true if the packet should be dropped, false if it should be
     /// kept.
     virtual bool shouldDropPacket(PacketTypePtr /* packet */,
@@ -92,12 +89,6 @@ public:
     /// based on their own requirements.  The default implemenation is to
     /// to simply return without skipping any packets.
     ///
-    /// @param from end of the queue from which packets should discarded
-    /// This is passed in from @c dequeuePackets.
-    ///
-    /// @param from specifies the end of the queue from which packets
-    /// should be discarded.
-    ///
     /// @return The number of packets discarded.
     virtual int eatPackets(const QueueEnd& /* from */) {
         return (0);