Merge pull request #3415
4a61c39 qt: status WalletModel::Aborted is no longer used (Wladimir J. van der Laan)
ca2c83d Remove unused ThreadSafeAskFee from ui_interface (Wladimir J. van der Laan)
37e67d3 Remove unused ThreadSafeHandleURI from ui_interface (Wladimir J. van der Laan)