Remove ignore rule for user_details.other_role column

What does this MR do and why?

draft until 2022-09-23

• remove ignore rule as per https://docs.gitlab.com/ee/development/database/avoiding_downtime_in_migrations.html#step-3-removing-the-ignore-rule-release-m2

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 #364286 (closed)