chainparams: Remove unused fMineBlocksOnDemand

It is equal to consensus.fPowNoRetargeting

src/chainparams.cpp

@@ -141,7 +141,6 @@ public:
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = true;
-        fMineBlocksOnDemand = false;
 
         checkpointData = {
             {
@@ -247,7 +246,6 @@ public:
 
         fDefaultConsistencyChecks = false;
         fRequireStandard = false;
-        fMineBlocksOnDemand = false;
 
 
         checkpointData = {
@@ -325,7 +323,6 @@ public:
 
         fDefaultConsistencyChecks = true;
         fRequireStandard = false;
-        fMineBlocksOnDemand = true;
 
         checkpointData = {
             {

src/chainparams.h

@@ -71,8 +71,8 @@ public:
     uint64_t AssumedBlockchainSize() const { return m_assumed_blockchain_size; }
     /** Minimum free space (in GB) needed for data directory when pruned; Does not include prune target*/
     uint64_t AssumedChainStateSize() const { return m_assumed_chain_state_size; }
-    /** Make miner stop after a block is found. In RPC, don't return until nGenProcLimit blocks are generated */
-    bool MineBlocksOnDemand() const { return fMineBlocksOnDemand; }
+    /** Whether it is possible to mine blocks on demand (no retargeting) */
+    bool MineBlocksOnDemand() const { return consensus.fPowNoRetargeting; }
     /** Return the BIP70 network string (main, test or regtest) */
     std::string NetworkIDString() const { return strNetworkID; }
     /** Return true if the fallback fee is by default enabled for this network */
@@ -101,7 +101,6 @@ protected:
     std::vector<SeedSpec6> vFixedSeeds;
     bool fDefaultConsistencyChecks;
     bool fRequireStandard;
-    bool fMineBlocksOnDemand;
     CCheckpointData checkpointData;
     ChainTxData chainTxData;
     bool m_fallback_fee_enabled;