Merge branch 'remove-unused-code' into 'master'

Remove unused code

See merge request !13657

app/models/project.rb

@@ -68,7 +68,6 @@ class Project < ActiveRecord::Base
 
   acts_as_taggable
 
-  attr_accessor :new_default_branch
   attr_accessor :old_path_with_namespace
   attr_accessor :template_name
   attr_writer :pipeline_status

app/models/user.rb

@@ -644,11 +644,6 @@ class User < ActiveRecord::Base
     @personal_projects_count ||= personal_projects.count
   end
 
-  def projects_limit_percent
-    return 100 if projects_limit.zero?
-    (personal_projects.count.to_f / projects_limit) * 100
-  end
-
   def recent_push(project_ids = nil)
     # Get push events not earlier than 2 hours ago
     events = recent_events.code_push.where("created_at > ?", Time.now - 2.hours)
@@ -666,10 +661,6 @@ class User < ActiveRecord::Base
     end
   end
 
-  def projects_sorted_by_activity
-    authorized_projects.sorted_by_activity
-  end
-
   def several_namespaces?
     owned_groups.any? || masters_groups.any?
   end