Revert "update image scaling to no longer rely on srcset, use data-file-width and thumb api"
Revert "update image scaling to no longer rely on srcset, use data-file-width and thumb api"

This reverts commit b2d571771f4a2505a1e296b7b29cc7e2dbf45ac0.

anirudh24seven/wikipedia-ios,anirudh24seven/wikipedia-ios,wikimedia/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,julienbodet/wikipedia-ios,josve05a/wikipedia-ios,wikimedia/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/wikipedia-ios,julienbodet/wikipedia-ios,anirudh24seven/wikipedia-ios,anirudh24seven/wikipedia-ios,julienbodet/wikipedia-ios,anirudh24seven/wikipedia-ios,josve05a/wikipedia-ios,josve05a/wikipedia-ios,josve05a/wikipedia-ios,anirudh24seven/wikipedia-ios,julienbodet/wikipedia-ios,julienbodet/wikipedia-ios,anirudh24seven/wikipedia-ios,josve05a/wikipedia-ios,wikimedia/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,josve05a/wikipedia-ios,wikimedia/wikipedia-ios,wikimedia/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/apps-ios-wikipedia,anirudh24seven/wikipedia-ios,montehurd/apps-ios-wikipedia,julienbodet/wikipedia-ios,montehurd/apps-ios-wikipedia,wikimedia/wikipedia-ios,montehurd/apps-ios-wikipedia,montehurd/apps-ios-wikipedia,montehurd/apps-ios-wikipedia,wikimedia/wikipedia-ios,julienbodet/wikipedia-ios,julienbodet/wikipedia-ios,wikimedia/apps-ios-wikipedia,wikimedia/wikipedia-ios