Fix for configuring rails guide
Fix for configuring rails guide

`ActiveSupport::Logger` has no concept like auto flushing since it has no userspace buffering.
It's a remnant of `ActiveSupport::BufferedLogger` epoch which was since removed from rails.
starknx/rails,yhirano55/rails,flanger001/rails,mtsmfm/railstest,shioyama/rails,ledestin/rails,illacceptanything/illacceptanything,yhirano55/rails,88rabbit/newRails,yawboakye/rails,xlymian/rails,mtsmfm/rails,Spin42/rails,elfassy/rails,gavingmiller/rails,MSP-Greg/rails,amoody2108/TechForJustice,mechanicles/rails,shioyama/rails,tgxworld/rails,esparta/rails,iainbeeston/rails,kirs/rails-1,gauravtiwari/rails,pvalena/rails,MichaelSp/rails,vassilevsky/rails,fabianoleittes/rails,eileencodes/rails,ngpestelos/rails,assain/rails,schuetzm/rails,illacceptanything/illacceptanything,Envek/rails,tjschuck/rails,gfvcastro/rails,schuetzm/rails,assain/rails,illacceptanything/illacceptanything,betesh/rails,richseviora/rails,bogdanvlviv/rails,mtsmfm/rails,betesh/rails,matrinox/rails,Vasfed/rails,EmmaB/rails-1,illacceptanything/illacceptanything,sergey-alekseev/rails,eileencodes/rails,tijwelch/rails,illacceptanything/illacceptanything,arunagw/rails,flanger001/rails,marklocklear/rails,starknx/rails,shioyama/rails,mijoharas/rails,assain/rails,tjschuck/rails,maicher/rails,rossta/rails,MSP-Greg/rails,illacceptanything/illacceptanything,stefanmb/rails,jeremy/rails,Stellenticket/rails,richseviora/rails,kddeisz/rails,travisofthenorth/rails,ttanimichi/rails,pschambacher/rails,betesh/rails,gcourtemanche/rails,baerjam/rails,repinel/rails,kmcphillips/rails,yasslab/railsguides.jp,felipecvo/rails,rails/rails,Edouard-chin/rails,mohitnatoo/rails,brchristian/rails,notapatch/rails,fabianoleittes/rails,Vasfed/rails,mohitnatoo/rails,felipecvo/rails,baerjam/rails,Stellenticket/rails,aditya-kapoor/rails,bolek/rails,kmayer/rails,illacceptanything/illacceptanything,rails/rails,illacceptanything/illacceptanything,lucasmazza/rails,Envek/rails,georgeclaghorn/rails,bradleypriest/rails,vassilevsky/rails,rossta/rails,koic/rails,EmmaB/rails-1,untidy-hair/rails,fabianoleittes/rails,iainbeeston/rails,deraru/rails,sealocal/rails,arjes/rails,koic/rails,gavingmiller/rails,alecspopa/rails,koic/rails,printercu/rails,bogdanvlviv/rails,hanystudy/rails,richseviora/rails,tgxworld/rails,palkan/rails,mechanicles/rails,odedniv/rails,rossta/rails,stefanmb/rails,yasslab/railsguides.jp,pvalena/rails,notapatch/rails,BlakeWilliams/rails,brchristian/rails,pvalena/rails,marklocklear/rails,alecspopa/rails,lcreid/rails,rails/rails,Sen-Zhang/rails,Spin42/rails,kmayer/rails,mtsmfm/rails,kaspth/rails,tgxworld/rails,shioyama/rails,deraru/rails,Envek/rails,untidy-hair/rails,vipulnsward/rails,bogdanvlviv/rails,illacceptanything/illacceptanything,palkan/rails,tijwelch/rails,Envek/rails,gauravtiwari/rails,rbhitchcock/rails,amoody2108/TechForJustice,Edouard-chin/rails,arjes/rails,assain/rails,gfvcastro/rails,marklocklear/rails,ttanimichi/rails,utilum/rails,yawboakye/rails,Erol/rails,coreyward/rails,ngpestelos/rails,kamipo/rails,illacceptanything/illacceptanything,BlakeWilliams/rails,kirs/rails-1,maicher/rails,printercu/rails,mohitnatoo/rails,stefanmb/rails,pvalena/rails,illacceptanything/illacceptanything,baerjam/rails,kddeisz/rails,esparta/rails,georgeclaghorn/rails,voray/rails,notapatch/rails,BlakeWilliams/rails,yalab/rails,mijoharas/rails,mijoharas/rails,kddeisz/rails,prathamesh-sonpatki/rails,gfvcastro/rails,jeremy/rails,mathieujobin/reduced-rails-for-travis,gfvcastro/rails,kachick/rails,xlymian/rails,xlymian/rails,kenta-s/rails,notapatch/rails,alecspopa/rails,tjschuck/rails,rbhitchcock/rails,yawboakye/rails,Stellenticket/rails,kachick/rails,iainbeeston/rails,kmayer/rails,bogdanvlviv/rails,88rabbit/newRails,yalab/rails,lcreid/rails,EmmaB/rails-1,samphilipd/rails,arunagw/rails,gavingmiller/rails,yhirano55/rails,vipulnsward/rails,joonyou/rails,utilum/rails,utilum/rails,Sen-Zhang/rails,travisofthenorth/rails,prathamesh-sonpatki/rails,tijwelch/rails,printercu/rails,mathieujobin/reduced-rails-for-travis,riseshia/railsguides.kr,MichaelSp/rails,tgxworld/rails,kachick/rails,Edouard-chin/rails,bolek/rails,elfassy/rails,jeremy/rails,gauravtiwari/rails,kenta-s/rails,yahonda/rails,mtsmfm/railstest,pschambacher/rails,odedniv/rails,Erol/rails,mechanicles/rails,esparta/rails,repinel/rails,maicher/rails,voray/rails,riseshia/railsguides.kr,aditya-kapoor/rails,repinel/rails,vassilevsky/rails,Erol/rails,travisofthenorth/rails,sealocal/rails,lcreid/rails,arjes/rails,yahonda/rails,eileencodes/rails,mohitnatoo/rails,MichaelSp/rails,flanger001/rails,brchristian/rails,sealocal/rails,bradleypriest/rails,rafaelfranca/omg-rails,lcreid/rails,joonyou/rails,rbhitchcock/rails,sergey-alekseev/rails,Vasfed/rails,illacceptanything/illacceptanything,Erol/rails,yawboakye/rails,coreyward/rails,ledestin/rails,mtsmfm/railstest,matrinox/rails,yasslab/railsguides.jp,deraru/rails,pschambacher/rails,kddeisz/rails,yasslab/railsguides.jp,untidy-hair/rails,kamipo/rails,georgeclaghorn/rails,georgeclaghorn/rails,sergey-alekseev/rails,MSP-Greg/rails,joonyou/rails,joonyou/rails,illacceptanything/illacceptanything,yalab/rails,Edouard-chin/rails,schuetzm/rails,hanystudy/rails,Sen-Zhang/rails,vipulnsward/rails,riseshia/railsguides.kr,prathamesh-sonpatki/rails,kaspth/rails,yalab/rails,elfassy/rails,arunagw/rails,amoody2108/TechForJustice,flanger001/rails,lucasmazza/rails,jeremy/rails,starknx/rails,eileencodes/rails,mechanicles/rails,schuetzm/rails,aditya-kapoor/rails,ledestin/rails,BlakeWilliams/rails,samphilipd/rails,rafaelfranca/omg-rails,rafaelfranca/omg-rails,utilum/rails,untidy-hair/rails,hanystudy/rails,arunagw/rails,felipecvo/rails,gcourtemanche/rails,kmcphillips/rails,repinel/rails,palkan/rails,bolek/rails,esparta/rails,samphilipd/rails,prathamesh-sonpatki/rails,MSP-Greg/rails,palkan/rails,tjschuck/rails,Vasfed/rails,mathieujobin/reduced-rails-for-travis,betesh/rails,yahonda/rails,rails/rails,kmcphillips/rails,matrinox/rails,ttanimichi/rails,kirs/rails-1,bradleypriest/rails,travisofthenorth/rails,illacceptanything/illacceptanything,Stellenticket/rails,illacceptanything/illacceptanything,kamipo/rails,baerjam/rails,88rabbit/newRails,kmcphillips/rails,vipulnsward/rails,fabianoleittes/rails,coreyward/rails,yahonda/rails,deraru/rails,printercu/rails,riseshia/railsguides.kr,yhirano55/rails,kenta-s/rails,odedniv/rails,aditya-kapoor/rails,kaspth/rails,gcourtemanche/rails,ngpestelos/rails,Spin42/rails,voray/rails,iainbeeston/rails,lucasmazza/rails