Last modified: 2013-06-18 16:53:49 UTC
There is no way to get the page with the most interwikis. The special page were the same as Special:MostCategories for the categories. The special page were the opposite of Special:WithoutInterwikis. Thanks.
It's not missing, nobody ever bothered creating one. Tweaking summary.
A patch commited with Gerrit change #17106
successfully merged