Merge branch '337432-remove-unused-without_project_bots-scope' into 'master'

Remove unused without_project_bots scope

See merge request gitlab-org/gitlab!67327

app/models/members/project_member.rb

@@ -19,11 +19,6 @@ class ProjectMember < Member
       .where(projects: { namespace_id: groups.select(:id) })
   end
 
-  scope :without_project_bots, -> do
-    left_join_users
-      .merge(User.without_project_bot)
-  end
-
   class << self
     # Add users to projects with passed access option
     #