Remove marketing emails ignored columns

What does this MR do and why?

Follow-up to remove ignore columns rule.

Columns were removed here - Remove columns from users and application settings (!134525 - merged)

in_product_marketing_emails_enabled ignore column rule has been already removed.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.

Related to #424270 (closed)