Remove `distinct` option from `ColumnOrderDefinition`
What does this MR do and why?
This MR removes distinct option when configuring the ColumnOrderDefinition for keyset pagination. The distinct option was used in the earlier versions of the library, due to some code changes the distinct option is no longer used/needed.
MR acceptance checklist
Please evaluate this MR against the MR acceptance checklist. It helps you analyze changes to reduce risks in quality, performance, reliability, security, and maintainability.
Related to #456076 (closed)
Edited by Adam Hegyi