Remove the small fetch optimization

In some cases, it significantly increased ledger fetch traffic.

src/ripple/app/ledger/impl/InboundLedger.cpp

@@ -53,9 +53,6 @@ enum
     // how many timeouts before we get aggressive
     ,ledgerBecomeAggressiveThreshold = 6
 
-    // How many nodes to consider a fetch "small"
-    ,fetchSmallNodes = 32
-
     // Number of nodes to find initially
     ,missingNodesFind = 256
 
@@ -611,11 +608,6 @@ void InboundLedger::trigger (Peer::ptr const& peer, TriggerReason reason)
                             * (tmGL.add_nodeids ()) = id.getRawString ();
                         }
 
-                        // If we're not querying for a lot of entries,
-                        // query extra deep
-                        if (nodeIDs.size() <= fetchSmallNodes)
-                            tmGL.set_querydepth (tmGL.querydepth() + 1);
-
                         if (m_journal.trace) m_journal.trace <<
                             "Sending AS node " << nodeIDs.size () <<
                                 " request to " << (