removes no longer needed manual split by "and"
removes no longer needed manual split by "and"

gitlabhq/gitlab-contributors,maclover7/rails-contributors,gitlabhq/gitlab-contributors,maclover7/rails-contributors,amitsuroliya/rails-contributors,amitsuroliya/rails-contributors,maclover7/rails-contributors,gitlabhq/gitlab-contributors,amitsuroliya/rails-contributors,fxn/rails-contributors,amitsuroliya/rails-contributors,gitlabhq/gitlab-contributors,maclover7/rails-contributors,fxn/rails-contributors,fxn/rails-contributors,fxn/rails-contributors