Follow-up: Remove unneeded specs after fix.
Follow-up: Remove unneeded specs after fix.

johan--/ransack,AndrewSwerlick/ransack,outstand/ransack,Mario245/ransack,laserlemon/ransack,roman-franko/ransack,martndemus/ransack,reinteractive/ransack,mariorcardoso/ransack,amboxer21/ransack,Eric-Guo/ransack,activerecord-hackery/ransack,avit/ransack,vaski/ransack,nagyt234/ransack,guilleva/ransack