Deletion of Retrograde motion (disambiguation)

Comment: The partial title match problem is debatable, but as there are only two entries and the two articles in question already have hatnotes to each other,  I think this can be deleted per  (or maybe speedied per #G6 ?)  as an unnecessary dab page
Stance: delete
Cited policy: Wikipedia:Disambiguation (WP:2DABS||WP:CSD)