Update tools/populate-project.sh
Update tools/populate-project.sh

Don't remove the previous directory the first time.
shadowmint/kivy-ios,cbenhagen/kivy-ios,tonibagur/kivy-ios,ivpusic/kivy-ios,shadowmint/kivy-ios,kivy/kivy-ios,shadowmint/kivy-ios,ivpusic/kivy-ios,shadowmint/kivy-ios,kivy/kivy-ios,shadowmint/kivy-ios,cbenhagen/kivy-ios,kivy/kivy-ios,rnixx/kivy-ios,ivpusic/kivy-ios,shadowmint/kivy-ios,tonibagur/kivy-ios,ivpusic/kivy-ios,ivpusic/kivy-ios,rnixx/kivy-ios,ivpusic/kivy-ios