* Remove members only option from dropdown

[MaximilianoRicoTabo]

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Changes proposed in this Pull Request:

Hook on Access Plan action to add a jQuery snippet that removes the not wanted option in case streamline setting is checked.

Resolves #3088

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See related issue for reproduce steps.

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[ideadude]

I think we can get the LifterLMS team to add a filter for us, so we don't have to use JS to remove this value (kind of hacky).

Do you know where in the LifterLMS code we would want that filter?

[MaximilianoRicoTabo]

What about filter options here @ideadude ? https://github.com/gocodebox/lifterlms/blob/a5e02b8d2fcdcdaf00d9faae54b7ddbd4c6e8c35/includes/admin/views/access-plans/access-plan.php#L274-L277