How to remove Parent Tasks based on Custom Form

[alferaj16]

Our Global Translation team has a singular large project template with parent tasks for each language. Each language has varied child tasks associated with it. The current process is that they bulk remove the unnecessary languages per project. Is there a way fusion can remove the tasks based on a multi-select custom form drop down selection? Example: Someone needs their document only in EN and DE, so FR, KR, JP tasks can be removed from the template. 

Thank you!

[Jason_JB]

If I was building this out in Fusion, I would probably start by creating a custom field on the tasks that I can use to tag the language.  Then a Fusion job could compare the selected language to keep and do a search to find the tasks that should be deleted by those that doesn't match it.