use Hash#delete with a default block
use Hash#delete with a default block

brchristian/rails,ttanimichi/rails,Spin42/rails,gcourtemanche/rails,schuetzm/rails,repinel/rails,kamipo/rails,flanger001/rails,samphilipd/rails,mtsmfm/railstest,Sen-Zhang/rails,yhirano55/rails,Erol/rails,ngpestelos/rails,Sen-Zhang/rails,flanger001/rails,Edouard-chin/rails,88rabbit/newRails,kamipo/rails,gavingmiller/rails,Vasfed/rails,EmmaB/rails-1,kaspth/rails,MSP-Greg/rails,tjschuck/rails,kmcphillips/rails,jeremy/rails,illacceptanything/illacceptanything,stefanmb/rails,joonyou/rails,aditya-kapoor/rails,kachick/rails,yawboakye/rails,tijwelch/rails,joonyou/rails,Edouard-chin/rails,coreyward/rails,kachick/rails,kirs/rails-1,odedniv/rails,kddeisz/rails,mohitnatoo/rails,vipulnsward/rails,betesh/rails,sergey-alekseev/rails,sergey-alekseev/rails,brchristian/rails,ledestin/rails,88rabbit/newRails,fabianoleittes/rails,xlymian/rails,felipecvo/rails,88rabbit/newRails,illacceptanything/illacceptanything,kmcphillips/rails,Erol/rails,kaspth/rails,Vasfed/rails,bolek/rails,stefanmb/rails,tgxworld/rails,Spin42/rails,esparta/rails,yalab/rails,alecspopa/rails,palkan/rails,kmayer/rails,deraru/rails,odedniv/rails,hanystudy/rails,prathamesh-sonpatki/rails,georgeclaghorn/rails,gauravtiwari/rails,Stellenticket/rails,Spin42/rails,kddeisz/rails,BlakeWilliams/rails,shioyama/rails,matrinox/rails,notapatch/rails,betesh/rails,kenta-s/rails,ledestin/rails,illacceptanything/illacceptanything,aditya-kapoor/rails,printercu/rails,travisofthenorth/rails,illacceptanything/illacceptanything,brchristian/rails,xlymian/rails,riseshia/railsguides.kr,EmmaB/rails-1,Edouard-chin/rails,Envek/rails,pvalena/rails,repinel/rails,samphilipd/rails,amoody2108/TechForJustice,travisofthenorth/rails,jeremy/rails,iainbeeston/rails,illacceptanything/illacceptanything,shioyama/rails,amoody2108/TechForJustice,Vasfed/rails,kmcphillips/rails,assain/rails,felipecvo/rails,pvalena/rails,mechanicles/rails,arunagw/rails,Envek/rails,yhirano55/rails,rails/rails,arjes/rails,yahonda/rails,bolek/rails,vassilevsky/rails,koic/rails,tjschuck/rails,flanger001/rails,yahonda/rails,iainbeeston/rails,notapatch/rails,MSP-Greg/rails,deraru/rails,marklocklear/rails,repinel/rails,koic/rails,illacceptanything/illacceptanything,travisofthenorth/rails,ngpestelos/rails,assain/rails,MichaelSp/rails,samphilipd/rails,bradleypriest/rails,kamipo/rails,illacceptanything/illacceptanything,tijwelch/rails,tjschuck/rails,kmcphillips/rails,esparta/rails,iainbeeston/rails,rossta/rails,arjes/rails,felipecvo/rails,maicher/rails,arjes/rails,mathieujobin/reduced-rails-for-travis,arunagw/rails,kirs/rails-1,BlakeWilliams/rails,rails/rails,mijoharas/rails,mechanicles/rails,kmayer/rails,iainbeeston/rails,gfvcastro/rails,illacceptanything/illacceptanything,sergey-alekseev/rails,yasslab/railsguides.jp,kmayer/rails,Sen-Zhang/rails,untidy-hair/rails,yhirano55/rails,elfassy/rails,ttanimichi/rails,rbhitchcock/rails,mtsmfm/railstest,lucasmazza/rails,mechanicles/rails,amoody2108/TechForJustice,palkan/rails,utilum/rails,matrinox/rails,elfassy/rails,deraru/rails,schuetzm/rails,MichaelSp/rails,untidy-hair/rails,untidy-hair/rails,alecspopa/rails,marklocklear/rails,hanystudy/rails,gcourtemanche/rails,illacceptanything/illacceptanything,schuetzm/rails,yhirano55/rails,georgeclaghorn/rails,mijoharas/rails,Stellenticket/rails,bradleypriest/rails,printercu/rails,rafaelfranca/omg-rails,gavingmiller/rails,printercu/rails,flanger001/rails,gavingmiller/rails,richseviora/rails,bogdanvlviv/rails,bogdanvlviv/rails,prathamesh-sonpatki/rails,eileencodes/rails,BlakeWilliams/rails,tjschuck/rails,yahonda/rails,kenta-s/rails,shioyama/rails,yawboakye/rails,bradleypriest/rails,rails/rails,richseviora/rails,tijwelch/rails,kddeisz/rails,BlakeWilliams/rails,assain/rails,mtsmfm/rails,sealocal/rails,illacceptanything/illacceptanything,vassilevsky/rails,printercu/rails,hanystudy/rails,odedniv/rails,baerjam/rails,rafaelfranca/omg-rails,illacceptanything/illacceptanything,tgxworld/rails,richseviora/rails,georgeclaghorn/rails,rossta/rails,bogdanvlviv/rails,starknx/rails,repinel/rails,jeremy/rails,yasslab/railsguides.jp,coreyward/rails,Edouard-chin/rails,pschambacher/rails,mathieujobin/reduced-rails-for-travis,baerjam/rails,gcourtemanche/rails,xlymian/rails,notapatch/rails,MSP-Greg/rails,eileencodes/rails,untidy-hair/rails,lucasmazza/rails,Erol/rails,kachick/rails,Stellenticket/rails,yalab/rails,vipulnsward/rails,marklocklear/rails,coreyward/rails,vipulnsward/rails,alecspopa/rails,MSP-Greg/rails,voray/rails,vassilevsky/rails,voray/rails,gauravtiwari/rails,riseshia/railsguides.kr,pvalena/rails,starknx/rails,yawboakye/rails,rafaelfranca/omg-rails,riseshia/railsguides.kr,illacceptanything/illacceptanything,mtsmfm/rails,utilum/rails,utilum/rails,lcreid/rails,mathieujobin/reduced-rails-for-travis,baerjam/rails,kenta-s/rails,illacceptanything/illacceptanything,georgeclaghorn/rails,pschambacher/rails,fabianoleittes/rails,mtsmfm/railstest,lcreid/rails,betesh/rails,vipulnsward/rails,Stellenticket/rails,gfvcastro/rails,palkan/rails,aditya-kapoor/rails,jeremy/rails,joonyou/rails,gfvcastro/rails,prathamesh-sonpatki/rails,yalab/rails,yalab/rails,eileencodes/rails,lcreid/rails,EmmaB/rails-1,sealocal/rails,palkan/rails,starknx/rails,stefanmb/rails,pschambacher/rails,kaspth/rails,esparta/rails,yahonda/rails,betesh/rails,Erol/rails,pvalena/rails,kddeisz/rails,gauravtiwari/rails,elfassy/rails,shioyama/rails,lucasmazza/rails,yasslab/railsguides.jp,ttanimichi/rails,rails/rails,rbhitchcock/rails,arunagw/rails,travisofthenorth/rails,baerjam/rails,mohitnatoo/rails,rbhitchcock/rails,fabianoleittes/rails,bogdanvlviv/rails,mtsmfm/rails,matrinox/rails,bolek/rails,mijoharas/rails,sealocal/rails,prathamesh-sonpatki/rails,tgxworld/rails,maicher/rails,kirs/rails-1,voray/rails,esparta/rails,deraru/rails,assain/rails,Envek/rails,Envek/rails,schuetzm/rails,ledestin/rails,utilum/rails,maicher/rails,arunagw/rails,riseshia/railsguides.kr,aditya-kapoor/rails,rossta/rails,eileencodes/rails,tgxworld/rails,yasslab/railsguides.jp,illacceptanything/illacceptanything,mohitnatoo/rails,notapatch/rails,joonyou/rails,MichaelSp/rails,Vasfed/rails,mechanicles/rails,ngpestelos/rails,fabianoleittes/rails,yawboakye/rails,koic/rails,mohitnatoo/rails,lcreid/rails,illacceptanything/illacceptanything,gfvcastro/rails