Remove ads.creative.creative_id in favor of ads.creative.id

[cosimon]

Description of change

ads.creative.creative_id is not returned by the facebook api, so remove it from the schema. ads.creative.id is the id of the creative on the ad.

Manual QA steps

Risks

• Potential for customers with old versions of facebook ads in which this is returned. This field has been around since the creation of the tap.

Rollback steps

• revert this branch