fix rubocop offenses in episodes_controller.rb
fix rubocop offenses in episodes_controller.rb

paladique/hummingbird,sidaga/hummingbird,cybrox/hummingbird,jcoady9/hummingbird,Snitzle/hummingbird,synthtech/hummingbird,synthtech/hummingbird,saintsantos/hummingbird,astraldragon/hummingbird,astraldragon/hummingbird,paladique/hummingbird,paladique/hummingbird,MiLk/hummingbird,astraldragon/hummingbird,paladique/hummingbird,MiLk/hummingbird,astraldragon/hummingbird,jcoady9/hummingbird,hummingbird-me/hummingbird,vevix/hummingbird,MiLk/hummingbird,Snitzle/hummingbird,vevix/hummingbird,hummingbird-me/hummingbird,jcoady9/hummingbird,saintsantos/hummingbird,sidaga/hummingbird,saintsantos/hummingbird,sidaga/hummingbird,jcoady9/hummingbird,Snitzle/hummingbird,sidaga/hummingbird,vevix/hummingbird,Snitzle/hummingbird,MiLk/hummingbird,saintsantos/hummingbird,vevix/hummingbird