Update queries for variants and for removing onboarding questions that we don't want

[AMChierici]

@ma5638 can you also look into this:

1. Update the queries so that you're gathering videos correctly for any given variant (we don't want to show suggestions that should not belong to the variant. Coordinate with @bordernone to understand the new db table he added for defining variants.
2. update query to hide these questions from the onboarding:
   • Record yourself saying Yes. You cann add questions for this answer later.
   • Record yourself saying Yes. You cann add questions for this answer later. Please don't filter out by question type because there are y/n questions that users may have recorded later on.

Example of issue: bottom 2 suggestions:

[AMChierici]

@ma5638 updates on this?