Remove unused show_pages_menu_callout helper
What does this MR do and why?
This method appears not to be called in the codebase, and is thus a target for removal.
Related to Experiment to identify dead code in our backend... (#420057)
This method appears not to be called in the codebase, and is thus a target for removal.
Related to Experiment to identify dead code in our backend... (#420057)