Remove duplication of the solution validation process
Why is this change being made?
We're moving the SSOT for solution validation to the Product Development Flow handbook page.
As an iterative approach, this proposes we remove the content from the UX Research handbook page. Given other validation track information is available from this page, I opted to provide a link to the product handbook for anyone who may find their way on the research page.
Related MR: !42480 (merged)