Don't run ReworkRedirectRoutesIndexes during setup

Since the `permanent` column is not there anymore, we don't need to
create these indexes.

lib/tasks/migrate/setup_postgresql.rake

@@ -7,7 +7,6 @@ task setup_postgresql: :environment do
   require Rails.root.join('db/migrate/20170724214302_add_lower_path_index_to_redirect_routes')
   require Rails.root.join('db/migrate/20170503185032_index_redirect_routes_path_for_like')
   require Rails.root.join('db/migrate/20171220191323_add_index_on_namespaces_lower_name.rb')
-  require Rails.root.join('db/migrate/20180113220114_rework_redirect_routes_indexes.rb')
   require Rails.root.join('db/migrate/20180215181245_users_name_lower_index.rb')
 
   NamespacesProjectsPathLowerIndexes.new.up
@@ -17,6 +16,5 @@ task setup_postgresql: :environment do
   AddLowerPathIndexToRedirectRoutes.new.up
   IndexRedirectRoutesPathForLike.new.up
   AddIndexOnNamespacesLowerName.new.up
-  ReworkRedirectRoutesIndexes.new.up
   UsersNameLowerIndex.new.up
 end