noosfero | Removing unusefull code (#640)

[Bráulio Bhavamitra]

New comment for Merge Request 640

https://gitlab.com/noosfero/noosfero/merge_requests/640#note_1743259


Bráulio Bhavamitra

are you sure tests pass? could you please attach a CI run?

these helpers are already defined in which other place?

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