resolve rubocop offenses in genres_controller.rb
resolve rubocop offenses in genres_controller.rb

sidaga/hummingbird,vevix/hummingbird,MiLk/hummingbird,jcoady9/hummingbird,astraldragon/hummingbird,saintsantos/hummingbird,vevix/hummingbird,astraldragon/hummingbird,Snitzle/hummingbird,saintsantos/hummingbird,vevix/hummingbird,astraldragon/hummingbird,Snitzle/hummingbird,saintsantos/hummingbird,sidaga/hummingbird,sidaga/hummingbird,vevix/hummingbird,jcoady9/hummingbird,Snitzle/hummingbird,jcoady9/hummingbird,MiLk/hummingbird,MiLk/hummingbird,sidaga/hummingbird,jcoady9/hummingbird,saintsantos/hummingbird,MiLk/hummingbird,Snitzle/hummingbird,astraldragon/hummingbird