Merge #10522: [wallet] Remove unused variables

a8c09af Remove unused variables (practicalswift)

Tree-SHA512: 34807dc3a0471c83b086f430b66465602c8f6a3a158b54ace2ec8afb746f1f5907f7dfcde5a4bad4041df9721ec46b61681b2dbf89725c9c8c4c5ad0ca99f78f

src/wallet/db.cpp

@@ -211,7 +211,6 @@ bool CDB::Recover(const std::string& filename, void *callbackDataIn, bool (*reco
         {
             CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION);
             CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION);
-            std::string strType, strErr;
             if (!(*recoverKVcallback)(callbackDataIn, ssKey, ssValue))
                 continue;
         }