Do not call CheckKernel() twice

src/pos.cpp

@@ -200,10 +200,13 @@ bool CheckKernel(CBlockIndex* pindexPrev, unsigned int nBits, uint32_t nTime, co
     } else {
         //found in cache
         const CStakeCache& stake = it->second;
+        /*
         if (CheckStakeKernelHash(pindexPrev, nBits, new CCoins(stake.txPrev, pindexPrev->nHeight), prevout, nTime)) {
             // Cache could potentially cause false positive stakes in the event of deep reorgs, so check without cache also
             return CheckKernel(pindexPrev, nBits, nTime, prevout);
         }
+        */
+        return CheckStakeKernelHash(pindexPrev, nBits, new CCoins(stake.txPrev, pindexPrev->nHeight), prevout, nTime);
     }
 }