chore(carousel): combine animation check
chore(carousel): combine animation check

- Combine animation check since $animate.enabled value is set in the
  $watcher

Closes #4976

benhalverson/bootstrap,byronigoe/bootstrap,benhalverson/bootstrap,burlhock/bootstrap,BookingBug/bootstrap,benhalverson/bootstrap,vfiles/bootstrap,shootermv/bootstrap,infowrap/bootstrap,angular-ui/bootstrap,connyay/bootstrap,Servoy/bootstrap,caoruiy/bootstrap,matteopic/bootstrap,benhalverson/bootstrap,292388900/bootstrap,shiftagent/ui-bootstrap,christor/bootstrap,byronigoe/bootstrap,BookingBug/bootstrap,Foxandxss/bootstrap,icfantv/bootstrap,infowrap/bootstrap,christor/bootstrap,deeg/bootstrap,matteopic/bootstrap,icfantv/bootstrap,burlhock/bootstrap,Kpler/bootstrap,deeg/bootstrap,fpipita/bootstrap,looker/bootstrap,mabi/bootstrap,292388900/bootstrap,shootermv/bootstrap,Kpler/bootstrap,vfiles/bootstrap,mabi/bootstrap,Foxandxss/bootstrap,caoruiy/bootstrap,Servoy/bootstrap,wesleycho/bootstrap,RobJacobs/bootstrap,wesleycho/bootstrap,shiftagent/ui-bootstrap,fpipita/bootstrap,looker/bootstrap,RobJacobs/bootstrap,connyay/bootstrap,angular-ui/bootstrap