remove useless assignment
remove useless assignment

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ta/rails,illacceptanything/illacceptanything,pschambacher/rails,fabianoleittes/rails,yalab/rails,richseviora/rails,samphilipd/rails,yahonda/rails,lcreid/rails,yhirano55/rails,amoody2108/TechForJustice,mtsmfm/railstest,Stellenticket/rails,iainbeeston/rails,kmayer/rails,Edouard-chin/rails,sealocal/rails,88rabbit/newRails,kmcphillips/rails,voray/rails,aditya-kapoor/rails,lcreid/rails,sergey-alekseev/rails,palkan/rails,marklocklear/rails,BlakeWilliams/rails,bradleypriest/rails,untidy-hair/rails,untidy-hair/rails,printercu/rails,mijoharas/rails,repinel/rails,elfassy/rails,EmmaB/rails-1,assain/rails,brchristian/rails,MichaelSp/rails,prathamesh-sonpatki/rails,riseshia/railsguides.kr,richseviora/rails,ledestin/rails,rossta/rails,georgeclaghorn/rails,deraru/rails,untidy-hair/rails,repinel/rails,kamipo/rails,mathieujobin/reduced-rails-for-travis,notapatch/rails,joonyou/rails,mijoharas/rails,Spin42/rails,tjschuck/rails,lucasmazza/rails,kaspth/rails,schuetzm/rails,yahonda/rails,matrinox/rails,jeremy/rails,tgxworld/rails,coreyward/rails,rails/rails,deraru/rails,Vasfed/rails,eileencodes/rails,EmmaB/rails-1,schuetzm/rails,lucasmazza/rails,utilum/rails,betesh/rails,kirs/rails-1,kmcphillips/rails,rbhitchcock/rails,starknx/rails