Change the error message if spend from a watch-only address due to the balance is cheched before, I remove the "Insufficient funds" error message.
Change the error message if spend from a watch-only address
due to the balance is cheched before, I remove the "Insufficient funds" error message.

OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,l1204366/gcoin-community,l1204366/gcoin-community,l1204366/gcoin-community,OpenNetworking/gcoin-community,l1204366/gcoin-community,OpenNetworking/gcoin-community,OpenNetworking/gcoin-community,l1204366/gcoin-community,l1204366/gcoin-community