(fix) RatingsController#filterRatings does not add dups
(fix) RatingsController#filterRatings does not add dups

HRR10-Ryans-to-the-Max/travel-app,ZacharyRSmith/travel-app,ZacharyRSmith/Knowhere,rsprice/travel-app,ZacharyRSmith/Knowhere,ZacharyRSmith/travel-app,rsprice/travel-app,brianacnguyen/travel-app,Ryans-to-the-Max/knowhere,HRR10-Ryans-to-the-Max/travel-app,Ryans-to-the-Max/knowhere,brianacnguyen/travel-app