It makes the code more complicated in one place just to make it harder
to follow in another...

Remove CustomWizardParameters::toString() while at it: It would need some
extending to work with this change and I do not think it is worth it, considering
that it is only used when the CustomWizard is set to verbose.

Change-Id: Ice14b197ed2fe98c54bc9c1c55ece3ed2222fbbf
Reviewed-by: Orgad Shaneh <orgads@gmail.com>