[2138] Removed logging when auth processes "getstats" command.

src/bin/auth/auth_messages.mes

@@ -164,10 +164,6 @@ a command on the command channel.
 % AUTH_RECEIVED_NOTIFY received incoming NOTIFY for zone name %1, zone class %2
 This is a debug message reporting that an incoming NOTIFY was received.
 
-% AUTH_RECEIVED_GETSTATS command 'getstats' received
-This is a debug message issued when the authoritative server has received
-a command from the statistics module to send it data.
-
 % AUTH_RESPONSE_FAILURE exception while building response to query: %1
 This is a debug message, generated by the authoritative server when an
 attempt to create a response to a received DNS packet has failed. The

src/bin/auth/command.cc

@@ -148,7 +148,6 @@ class GetStatsCommand : public AuthCommand {
 public:
     virtual ConstElementPtr exec(AuthSrv& server,
                                  isc::data::ConstElementPtr) {
-        LOG_DEBUG(auth_logger, DBG_AUTH_OPS, AUTH_RECEIVED_GETSTATS);
         return (createAnswer(0, server.getStatistics()));
     }
 };