Remove unused project method

app/models/project.rb

@@ -1903,10 +1903,6 @@ class Project < ActiveRecord::Base
     false
   end
 
-  def issue_board_milestone_available?(user = nil)
-    feature_available?(:issue_board_milestone, user)
-  end
-
   def full_path_was
     File.join(namespace.full_path, previous_changes['path'].first)
   end

changelogs/unreleased/gt-remove-unused-project-method.yml

@@ -0,0 +1,5 @@
+---
+title: Remove unused project method
+merge_request: 54103
+author: George Tsiolis
+type: other