Remove unnecessary `include ActiveModel::Model` in the doc [ci skip]
Remove unnecessary `include ActiveModel::Model` in the doc [ci skip]

iainbeeston/rails,yalab/rails,schuetzm/rails,fabianoleittes/rails,eileencodes/rails,mechanicles/rails,esparta/rails,kmcphillips/rails,yalab/rails,EmmaB/rails-1,Vasfed/rails,MSP-Greg/rails,mechanicles/rails,palkan/rails,georgeclaghorn/rails,Erol/rails,fabianoleittes/rails,repinel/rails,yawboakye/rails,Edouard-chin/rails,vipulnsward/rails,schuetzm/rails,Envek/rails,yhirano55/rails,vipulnsward/rails,Vasfed/rails,starknx/rails,Erol/rails,joonyou/rails,kmcphillips/rails,yalab/rails,kddeisz/rails,tjschuck/rails,yahonda/rails,vipulnsward/rails,mechanicles/rails,esparta/rails,tjschuck/rails,fabianoleittes/rails,EmmaB/rails-1,tgxworld/rails,bogdanvlviv/rails,georgeclaghorn/rails,Stellenticket/rails,gauravtiwari/rails,mechanicles/rails,lcreid/rails,Erol/rails,jeremy/rails,gauravtiwari/rails,repinel/rails,fabianoleittes/rails,yawboakye/rails,Vasfed/rails,lcreid/rails,lcreid/rails,jeremy/rails,schuetzm/rails,repinel/rails,iainbeeston/rails,iainbeeston/rails,MSP-Greg/rails,eileencodes/rails,Edouard-chin/rails,joonyou/rails,jeremy/rails,lcreid/rails,Vasfed/rails,Envek/rails,MSP-Greg/rails,BlakeWilliams/rails,jeremy/rails,joonyou/rails,palkan/rails,kmcphillips/rails,betesh/rails,Envek/rails,georgeclaghorn/rails,yhirano55/rails,yawboakye/rails,schuetzm/rails,eileencodes/rails,rails/rails,bogdanvlviv/rails,betesh/rails,betesh/rails,kmcphillips/rails,EmmaB/rails-1,yalab/rails,joonyou/rails,starknx/rails,starknx/rails,esparta/rails,rafaelfranca/omg-rails,georgeclaghorn/rails,Stellenticket/rails,tjschuck/rails,yhirano55/rails,rafaelfranca/omg-rails,palkan/rails,MSP-Greg/rails,prathamesh-sonpatki/rails,bogdanvlviv/rails,tgxworld/rails,prathamesh-sonpatki/rails,yahonda/rails,yhirano55/rails,eileencodes/rails,BlakeWilliams/rails,kddeisz/rails,rails/rails,rails/rails,rails/rails,Stellenticket/rails,yahonda/rails,yawboakye/rails,vipulnsward/rails,iainbeeston/rails,kddeisz/rails,palkan/rails,betesh/rails,Envek/rails,prathamesh-sonpatki/rails,BlakeWilliams/rails,Edouard-chin/rails,Edouard-chin/rails,esparta/rails,yahonda/rails,tjschuck/rails,prathamesh-sonpatki/rails,tgxworld/rails,gauravtiwari/rails,bogdanvlviv/rails,kddeisz/rails,Stellenticket/rails,tgxworld/rails,rafaelfranca/omg-rails,Erol/rails,BlakeWilliams/rails,repinel/rails