license: remove "Terminates At" from license get command

The `Terminates At` field can't be removed from the struct for backwards
compatibility reasons, but there's no purpose to it anymore so we shouldn't be
showing it to end users of the command.

command/license.go

@@ -70,7 +70,6 @@ func outputLicenseInfo(ui cli.Ui, lic *api.License, expired bool) {
 		fmt.Sprintf("Customer ID|%s", lic.CustomerID),
 		fmt.Sprintf("Issued At|%s", lic.IssueTime),
 		expStr,
-		fmt.Sprintf("Terminates At|%s", lic.TerminationTime.String()),
 		fmt.Sprintf("Datacenter|%s", lic.InstallationID),
 	}
 	ui.Output(formatKV(output))