[trivial] Dead code removal

src/miner.cpp

@@ -26,8 +26,6 @@
 #include "validationinterface.h"
 
 #include <algorithm>
-#include <boost/thread.hpp>
-#include <boost/tuple/tuple.hpp>
 #include <queue>
 #include <utility>
 
@@ -46,17 +44,6 @@ uint64_t nLastBlockTx = 0;
 uint64_t nLastBlockSize = 0;
 uint64_t nLastBlockWeight = 0;
 
-class ScoreCompare
-{
-public:
-    ScoreCompare() {}
-
-    bool operator()(const CTxMemPool::txiter a, const CTxMemPool::txiter b)
-    {
-        return CompareTxMemPoolEntryByScore()(*b,*a); // Convert to less than
-    }
-};
-
 int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev)
 {
     int64_t nOldTime = pblock->nTime;