product_packaging_level: AttributeError: 'product.packaging.level' object has no attribute '_active_languages'

[baguenth]

Module product_packaging_level is raising an error message, that the function _active_languages is not defined.

Module

product_packaging_level

Describe the bug

Module product_packaging_level is raising an error message, that the function _active_languages is not defined. This function indeed does not exist, so we need to remove the function call.

To Reproduce

Affected versions: 16.0

Expected behavior
Only functions are used, which exist.