Remove function exists check on session_write_close()
Remove function exists check on session_write_close()

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