fix: remove edx-next as a discussion provider (#28059)
fix: remove edx-next as a discussion provider (#28059)


edx/edx-platform,eduNEXT/edx-platform,arbrandes/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,angelapper/edx-platform,arbrandes/edx-platform,angelapper/edx-platform,eduNEXT/edx-platform,edx/edx-platform,eduNEXT/edx-platform,edx/edx-platform,eduNEXT/edx-platform,arbrandes/edx-platform,edx/edx-platform,angelapper/edx-platform