Revert "Use DraftMongoModuleStore."
Revert "Use DraftMongoModuleStore."

This reverts commit bd33e9a34ab63047fd56c52a1d5ba09f3267cd45.

This is to maintain backwards compatibility with older versions
of edx-platform.

beacloudgenius/configuration,sudheerchintala/LearnEra-Configuration,nikolas/configuration,louyihua/configuration,open-craft/configuration,zhengjunwei/configuration,CredoReference/configuration,rue89-tech/configuration,bugcy013/edx_infra,kursitet/configuration,nikolas/configuration,leansoft/configuration,stvstnfrd/configuration,marcore/configuration,arbrandes/edx-configuration,hastexo/edx-configuration-old,hastexo/edx-configuration,kencung/configuration,openfun/configuration,LearnEra/LearnEra-Configuration,rue89-tech/configuration,lgfa29/configuration,louyihua/configuration,cecep-edu/configuration,pedrorib/istx,proversity-org/configuration,Pieros/configuration,EDUlib/configuration,xiangjf/configuration,open-craft/configuration,kmoocdev/configuration,arbrandes/edx-configuration,UXE/edx-configuration,zhengjunwei/configuration,nikolas/configuration,Pieros/configuration,cyanna/configuration,kmoocdev/configuration,omarkhan/configuration,Stanford-Online/configuration,nttks/configuration,stvstnfrd/configuration,glengal/configuration,fghaas/edx-configuration,sudheerchintala/LearnEra-Configuration,vasyarv/configuration,bugcy013/edx_infra,UXE/edx-configuration,Livit/Livit.Learn.EdX.configuration,yrchen/configuration,hks-epod/configuration,jorgeomarmh/configuration,appsembler/configuration,AlfiyaZi/configuration,antshin72/configuration,nttks/configuration,stvstnfrd/configuration,Pieros/configuration,proversity-org/configuration,eduStack/configuration,armaan/edx-configuration,arbrandes/edx-configuration,joshhu/configuration,Stanford-Online/configuration,gashac03/ubuntu,fghaas/edx-configuration,edx/configuration,Stanford-Online/configuration,chudaol/configuration,arifsetiawan/configuration,nikolas/configuration,xiangjf/configuration,EDUlib/configuration,hastexo/edx-configuration-old,yrchen/configuration,nunpa/configuration,CredoReference/configuration,gsehub/configuration,alu042/configuration,vasyarv/configuration,proversity-org/configuration,jorgeomarmh/configuration,hastexo/edx-configuration,lgfa29/configuration,gashac03/ubuntu,IndonesiaX/configuration,rue89-tech/configuration,Livit/Livit.Learn.EdX.configuration,rue89-tech/configuration,gsehub/configuration,marcore/configuration,nunpa/configuration,IONISx/edx-configuration,B-MOOC/configuration,nunpa/configuration,EDUlib/configuration,mitodl/configuration,michaelsteiner19/open-edx-configuration,usernamenumber/configuration,stvstnfrd/configuration,jp-bpl/configuration,hastexo/edx-configuration,omarkhan/configuration,alu042/configuration,hmcmooc/ec2-edx-configuration,edx/configuration,openfun/configuration,gashac03/ubuntu,negritobomb/edxplat,arifsetiawan/configuration,knehez/configuration,openfun/configuration,UXE/edx-configuration,Softmotions/configuration,B-MOOC/configuration,kursitet/configuration,negritobomb/edxplat,Carlos2005/configuration,kencung/configuration,antoviaque/configuration,glengal/configuration,sudheerchintala/LearnEra-Configuration,Carlos2005/configuration,pobrejuanito/configuration,yrchen/configuration,nunpa/configuration,gsehub/configuration,Softmotions/configuration,hks-epod/configuration,vasyarv/configuration,Softmotions/configuration,knehez/configuration,Carlos2005/configuration,LearnEra/LearnEra-Configuration,hastexo/edx-configuration,Livit/Livit.Learn.EdX.configuration,louyihua/configuration,hks-epod/configuration,gashac03/ubuntu,pedrorib/istx,IndonesiaX/configuration,usernamenumber/configuration,AlfiyaZi/configuration,jp-bpl/configuration,lgfa29/configuration,leansoft/configuration,pobrejuanito/configuration,appsembler/configuration,CredoReference/configuration,cyanna/configuration,IndonesiaX/configuration,fghaas/edx-configuration,yrchen/configuration,hastexo/edx-configuration-old,Pieros/configuration,gsehub/configuration,pobrejuanito/configuration,IONISx/edx-configuration,omarkhan/configuration,proversity-org/configuration,pedrorib/istx,antoviaque/configuration,michaelsteiner19/open-edx-configuration,gsehub/configuration,joshhu/configuration,mitodl/configuration,beacloudgenius/configuration,cyanna/configuration,knehez/configuration,IONISx/edx-configuration,Stanford-Online/configuration,Stanford-Online/configuration,beacloudgenius/configuration,antoviaque/configuration,arifsetiawan/configuration,fghaas/edx-configuration,marcore/configuration,michaelsteiner19/open-edx-configuration,EDUlib/configuration,AlfiyaZi/configuration,zhengjunwei/configuration,arbrandes/edx-configuration,glengal/configuration,arifsetiawan/configuration,hmcmooc/ec2-edx-configuration,armaan/edx-configuration,zhengjunwei/configuration,IONISx/edx-configuration,hks-epod/configuration,AlfiyaZi/configuration,louyihua/configuration,armaan/edx-configuration,Softmotions/configuration,lgfa29/configuration,negritobomb/edxplat,alu042/configuration,kmoocdev/configuration,antshin72/configuration,LearnEra/LearnEra-Configuration,stvstnfrd/configuration,CredoReference/configuration,Livit/Livit.Learn.EdX.configuration,kursitet/configuration,edx/configuration,nttks/configuration,rue89-tech/configuration,chudaol/configuration,glengal/configuration,xiangjf/configuration,hastexo/edx-configuration,jorgeomarmh/configuration,bugcy013/edx_infra,4eek/configuration,knehez/configuration,hmcmooc/ec2-edx-configuration,negritobomb/edxplat,openfun/configuration,4eek/configuration,bugcy013/edx_infra,usernamenumber/configuration,EDUlib/configuration,appsembler/configuration,mitodl/configuration,hastexo/edx-configuration-old,armaan/edx-configuration,mitodl/configuration,edx/configuration,hks-epod/configuration,pobrejuanito/configuration,chudaol/configuration,IndonesiaX/configuration,kencung/configuration,chudaol/configuration,cecep-edu/configuration,eduStack/configuration,usernamenumber/configuration,alu042/configuration,xiangjf/configuration,kmoocdev/configuration,Carlos2005/configuration,open-craft/configuration,open-craft/configuration,kursitet/configuration,michaelsteiner19/open-edx-configuration,leansoft/configuration,joshhu/configuration,cecep-edu/configuration,omarkhan/configuration,4eek/configuration,jorgeomarmh/configuration,4eek/configuration,antshin72/configuration,pedrorib/istx,leansoft/configuration,jp-bpl/configuration,vasyarv/configuration,B-MOOC/configuration,arbrandes/edx-configuration,marcore/configuration,nttks/configuration,beacloudgenius/configuration,cyanna/configuration,UXE/edx-configuration,proversity-org/configuration,kencung/configuration,joshhu/configuration,jp-bpl/configuration,antshin72/configuration,appsembler/configuration,jp-bpl/configuration,eduStack/configuration,antoviaque/configuration