Fix crash when removing nearby
Fix crash when removing nearby

https://phabricator.wikimedia.org/T128229

When the nearby section is removed, but before the table is updated, we can be in a state where the table delegate methods are still requesting cells/sections/etc… with the old section indexes
This makes sure we don't try to access a section that is beyond the bounds of the section array.

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