remove the deb-src as it's optional
remove the deb-src as it's optional

eduStack/configuration,Livit/Livit.Learn.EdX.configuration,lgfa29/configuration,jorgeomarmh/configuration,mitodl/configuration,Livit/Livit.Learn.EdX.configuration,EDUlib/configuration,hastexo/edx-configuration,nunpa/configuration,hks-epod/configuration,arbrandes/edx-configuration,open-craft/configuration,usernamenumber/configuration,arbrandes/edx-configuration,lgfa29/configuration,gsehub/configuration,jorgeomarmh/configuration,stvstnfrd/configuration,mitodl/configuration,michaelsteiner19/open-edx-configuration,antoviaque/configuration,appsembler/configuration,pobrejuanito/configuration,proversity-org/configuration,EDUlib/configuration,lgfa29/configuration,marcore/configuration,hastexo/edx-configuration,hks-epod/configuration,eduStack/configuration,open-craft/configuration,hastexo/edx-configuration,proversity-org/configuration,hastexo/edx-configuration,antoviaque/configuration,Livit/Livit.Learn.EdX.configuration,proversity-org/configuration,stvstnfrd/configuration,Stanford-Online/configuration,appsembler/configuration,openfun/configuration,mitodl/configuration,usernamenumber/configuration,nunpa/configuration,Stanford-Online/configuration,usernamenumber/configuration,CredoReference/configuration,marcore/configuration,hks-epod/configuration,usernamenumber/configuration,nunpa/configuration,nunpa/configuration,pobrejuanito/configuration,CredoReference/configuration,edx/configuration,arbrandes/edx-configuration,michaelsteiner19/open-edx-configuration,Livit/Livit.Learn.EdX.configuration,gsehub/configuration,jorgeomarmh/configuration,armaan/edx-configuration,Stanford-Online/configuration,rue89-tech/configuration,lgfa29/configuration,edx/configuration,marcore/configuration,appsembler/configuration,proversity-org/configuration,stvstnfrd/configuration,edx/configuration,rue89-tech/configuration,gsehub/configuration,appsembler/configuration,gsehub/configuration,rue89-tech/configuration,marcore/configuration,hastexo/edx-configuration,mitodl/configuration,antoviaque/configuration,open-craft/configuration,proversity-org/configuration,EDUlib/configuration,gsehub/configuration,stvstnfrd/configuration,EDUlib/configuration,openfun/configuration,Stanford-Online/configuration,michaelsteiner19/open-edx-configuration,edx/configuration,hks-epod/configuration,CredoReference/configuration,openfun/configuration,rue89-tech/configuration,jorgeomarmh/configuration,pobrejuanito/configuration,armaan/edx-configuration,eduStack/configuration,arbrandes/edx-configuration,pobrejuanito/configuration,EDUlib/configuration,michaelsteiner19/open-edx-configuration,rue89-tech/configuration,armaan/edx-configuration,antoviaque/configuration,hks-epod/configuration,stvstnfrd/configuration,arbrandes/edx-configuration,Stanford-Online/configuration,CredoReference/configuration,open-craft/configuration,armaan/edx-configuration,openfun/configuration