Revert "Apply similar logic to vecMasternodesUsed" (#2503)

This reverts commit ebb1200.

Author: UdjinM6

src/privatesend-client.cpp

@@ -952,10 +952,10 @@ bool CPrivateSendClientManager::DoAutomaticDenominating(CConnman& connman, bool
         return false;
     }
 
-    int nMnCount = mnodeman.CountMasternodes();
+    int nMnCountEnabled = mnodeman.CountEnabled(MIN_PRIVATESEND_PEER_PROTO_VERSION);
 
     // If we've used 90% of the Masternode list then drop the oldest first ~30%
-    int nThreshold_high = nMnCount * 0.9;
+    int nThreshold_high = nMnCountEnabled * 0.9;
     int nThreshold_low = nThreshold_high * 0.7;
     LogPrint("privatesend", "Checking vecMasternodesUsed: size: %d, threshold: %d\n", (int)vecMasternodesUsed.size(), nThreshold_high);