Revert "Merge branch 'ee-5481-epic-todos' into 'master'"

This reverts commit 4d9a3f42f1fd3be21555e19872b7121cca65015e, reversing
changes made to ecf9c145f6e4d170cd059df88743393d9e63c489.

1 files changed, 0 insertions, 8 deletions

diff --git a/app/models/group.rb b/app/models/group.rb
index 28677320e28..ddebaff50b0 100644
--- a/app/models/group.rb
+++ b/app/models/group.rb
@@ -39,8 +39,6 @@ class Group < Namespace
   has_many :boards
   has_many :badges, class_name: 'GroupBadge'
 
-  has_many :todos
-
   accepts_nested_attributes_for :variables, allow_destroy: true
 
   validate :visibility_level_allowed_by_projects
@@ -84,12 +82,6 @@ class Group < Namespace
       where(id: user.authorized_groups.select(:id).reorder(nil))
     end
 
-    def public_or_visible_to_user(user)
-      where('id IN (?) OR namespaces.visibility_level IN (?)',
-        user.authorized_groups.select(:id),
-        Gitlab::VisibilityLevel.levels_for_user(user))
-    end
-
     def select_for_project_authorization
       if current_scope.joins_values.include?(:shared_projects)
         joins('INNER JOIN namespaces project_namespace ON project_namespace.id = projects.namespace_id')