Revert "Reduce some of the complexity of ArticleImporter.remove_bad_articles_courses"
Revert "Reduce some of the complexity of ArticleImporter.remove_bad_articles_courses"

This reverts commit 3c2ab38efea82ade884a187113cce96700551a16.

This seems to be cause all articles to be deleted.

KarmaHater/WikiEduDashboard,ragesoss/WikiEduDashboard,alpha721/WikiEduDashboard,feelfreelinux/WikiEduDashboard,sejalkhatri/WikiEduDashboard,sejalkhatri/WikiEduDashboard,Wowu/WikiEduDashboard,adamwight/WikiEduDashboard,MusikAnimal/WikiEduDashboard,Wowu/WikiEduDashboard,sejalkhatri/WikiEduDashboard,majakomel/WikiEduDashboard,WinnySilva/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,MusikAnimal/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,feelfreelinux/WikiEduDashboard,alpha721/WikiEduDashboard,majakomel/WikiEduDashboard,adamwight/WikiEduDashboard,thenickcox/WikiEduDashboard,ragesoss/WikiEduDashboard,majakomel/WikiEduDashboard,feelfreelinux/WikiEduDashboard,KarmaHater/WikiEduDashboard,alpha721/WikiEduDashboard,MusikAnimal/WikiEduDashboard,ragesoss/WikiEduDashboard,alpha721/WikiEduDashboard,adamwight/WikiEduDashboard,WinnySilva/WikiEduDashboard,Wowu/WikiEduDashboard,KarmaHater/WikiEduDashboard,WinnySilva/WikiEduDashboard,feelfreelinux/WikiEduDashboard,majakomel/WikiEduDashboard,thenickcox/WikiEduDashboard,Wowu/WikiEduDashboard,sejalkhatri/WikiEduDashboard,MusikAnimal/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,KarmaHater/WikiEduDashboard,WikiEducationFoundation/WikiEduDashboard,sejalkhatri/WikiEduDashboard,thenickcox/WikiEduDashboard