Remove unused code

[awgreene]

Please remove this function which isn't used anywhere https://github.com/operator-framework/operator-lifecycle-manager/pull/3035/files#diff-a21fed74a2c48e9b281472cbf733e21c05d79ab8f0f9418a24572914a5c55ed9R274-R278

[tmshort]

I can do this change along with a few others...