clean up

lib/tasks/miners.rake

@@ -64,7 +64,6 @@ namespace :miners do
       miner = Miner.find_by(name: @worksheet[index + row, NAME])
       if miner.present?
         miner.update(
-          name: @worksheet[index + row, NAME],
           ip_address: @worksheet[index + row, IP_ADDRESS],
           port: @worksheet[index + row, PORT],
           wallet_address: @worksheet[index + row, ADDRESS],