validation: remove unused mempool param in DetectSnapshotChainstate

src/node/chainstate.cpp

@@ -185,7 +185,7 @@ ChainstateLoadResult LoadChainstate(ChainstateManager& chainman, const CacheSize
     chainman.InitializeChainstate(options.mempool);
 
     // Load a chain created from a UTXO snapshot, if any exist.
-    bool has_snapshot = chainman.DetectSnapshotChainstate(options.mempool);
+    bool has_snapshot = chainman.DetectSnapshotChainstate();
 
     if (has_snapshot && (options.reindex || options.reindex_chainstate)) {
         LogPrintf("[snapshot] deleting snapshot chainstate due to reindexing\n");

src/validation.cpp

@@ -5768,7 +5768,7 @@ ChainstateManager::~ChainstateManager()
     m_versionbitscache.Clear();
 }
 
-bool ChainstateManager::DetectSnapshotChainstate(CTxMemPool* mempool)
+bool ChainstateManager::DetectSnapshotChainstate()
 {
     assert(!m_snapshot_chainstate);
     std::optional<fs::path> path = node::FindSnapshotChainstateDir(m_options.datadir);

src/validation.h

@@ -1203,7 +1203,7 @@ public:
 
     //! When starting up, search the datadir for a chainstate based on a UTXO
     //! snapshot that is in the process of being validated.
-    bool DetectSnapshotChainstate(CTxMemPool* mempool) EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
+    bool DetectSnapshotChainstate() EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
 
     void ResetChainstates() EXCLUSIVE_LOCKS_REQUIRED(::cs_main);