Revert "Merge branch 'bojan/ignore-columns-clean-up' into 'master'"
Purpose of revert
gitlab-org/quality/engineering-productivity/master-broken-incidents#4168 (closed)
Checklist
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Create an issue to reinstate the merge request and assign it to the author of the reverted merge request. 
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If the revert is to resolve a broken 'master' incident, please read through the Responsibilities of the Broken masterresolution DRI.
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If the revert involves a database migration, please read through Deleting existing migrations. 
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Add the appropriate labels before the MR is created. We can skip CI/CD jobs only if the labels are added before the CI/CD pipeline is created. 
Milestone info
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I am reverting something in the current milestone. No changelog is needed, and I've added a ~"regression:*"label.
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I am reverting something in a different milestone. A changelog is needed, and I've removed the ~"regression:*"label.