Merge #10684: Remove no longer used mempool.exists(outpoint)

22378ad Remove no longer used mempool.exists(outpoint) (Alex Morcos)

Tree-SHA512: e98ffdf9039a1bdd84a388dc2da43221b8850bab413dffbd18c20fb06c791ff364f824d1b3b7c0a696987ae126e52b4ee200bb63c5c46e9782c1973c6d888d32

src/txmempool.h

@@ -618,13 +618,6 @@ public:
         return (mapTx.count(hash) != 0);
     }
 
-    bool exists(const COutPoint& outpoint) const
-    {
-        LOCK(cs);
-        auto it = mapTx.find(outpoint.hash);
-        return (it != mapTx.end() && outpoint.n < it->GetTx().vout.size());
-    }
-
     CTransactionRef get(const uint256& hash) const;
     TxMempoolInfo info(const uint256& hash) const;
     std::vector<TxMempoolInfo> infoAll() const;