let dependencies use Module#const_defined?
let dependencies use Module#const_defined?

Module#const_defined? accepts constant paths in modern Ruby, we no longer
need our qualified_* extensions.

References #17845.

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