Update docs for CookieComponent::delete().
Update docs for CookieComponent::delete().

Refs #2182

mvdriel/cakephp,ADmad/cakephp,dakota/cakephp,burriko/cakephp,dkarvounaris/cakephp,Phillaf/cakephp,cakephp/cakephp,berrygoudswaard/cakephp,elboletaire/cakephp,CVO-Technologies/cakephp,ionas/cakephp,jjj117/cakephp,eryw/cakephp,gmponos/cakephp,berrygoudswaard/cakephp,CakeDC/cakephp,et304383/passbolt_api,HavokInspiration/cakephp,et304383/passbolt_api,eryw/cakephp,ndm2/cakephp,michaelze/cakephp,mvdriel/cakephp,bravo-kernel/cakephp,thinkingmedia/cakephp,et304383/passbolt_api,bravo-kernel/cakephp,CVO-Technologies/cakephp,web-player/cakephp,yinhe007/cakephp,erikfig/cakephp,jeffblack360/cakephp,garethellis36/cakephp,nrother/cakephp,ndm2/cakephp,dakota/cakephp,petteyg/cakephp,jeffblack360/cakephp,mvdriel/cakephp,dakota/cakephp,HavokInspiration/cakephp,ndm2/cakephp,dkarvounaris/cakephp,et304383/passbolt_api,tisu2tisu/cakephp,erikfig/cakephp,timhoeppner/cakephp,Phillaf/cakephp,cakephp/cakephp,jjj117/cakephp,tenkoma/cakephp,jjj117/cakephp,davidyell/cakephp,cakephp/cakephp,tisu2tisu/cakephp,davidyell/cakephp,cakephp-fr/cakephp,yinhe007/cakephp,web-player/cakephp,CVO-Technologies/cakephp,yinhe007/cakephp,garethellis36/cakephp,khoimt/cakephp-study,tisu2tisu/cakephp,ionas/cakephp,tenkoma/cakephp,michaelze/cakephp,pbaire/cakephp,pbaire/cakephp,jeffblack360/cakephp,adopico/cakephp,davidyell/cakephp,CakeDC/cakephp,tenkoma/cakephp,pbaire/cakephp,web-player/cakephp,garethellis36/cakephp,berrygoudswaard/cakephp,dakota/cakephp,cakephp/cakephp,Phillaf/cakephp,eboominathan/cakephp,gmponos/cakephp,jerems02/cakephp,cakephp-fr/cakephp,elboletaire/cakephp,gmponos/cakephp,burriko/cakephp,tgr0ss/cakephp,kumamidori/cakephp,justinyost/cakephp,akintoey/cakephp,justinyost/cakephp,kumamidori/cakephp,cakephp-fr/cakephp,michaelze/cakephp,jerems02/cakephp,eboominathan/cakephp,nrother/cakephp,ADmad/cakephp,elboletaire/cakephp,timhoeppner/cakephp,ionas/cakephp,CakeDC/cakephp,HavokInspiration/cakephp,kumamidori/cakephp,tgr0ss/cakephp,garethellis36/cakephp,adopico/cakephp,timhoeppner/cakephp,eboominathan/cakephp,justinyost/cakephp,Balachan27/cakephp,bravo-kernel/cakephp,khoimt/cakephp-study,mvdriel/cakephp,akintoey/cakephp,burriko/cakephp,tenkoma/cakephp,thinkingmedia/cakephp,petteyg/cakephp,ndm2/cakephp,akintoey/cakephp,dkarvounaris/cakephp,Balachan27/cakephp,erikfig/cakephp,nrother/cakephp,Balachan27/cakephp,tgr0ss/cakephp,eryw/cakephp,jerems02/cakephp,ADmad/cakephp,ADmad/cakephp,petteyg/cakephp,adopico/cakephp,et304383/passbolt_api,khoimt/cakephp-study,thinkingmedia/cakephp,CakeDC/cakephp,petteyg/cakephp