Merge branch '337432-remove-related_issues_for_batches-scope' into 'master'

Remove unused related_issues_for_batches scope

See merge request gitlab-org/gitlab!73931

ee/app/models/epic_issue.rb

@@ -15,7 +15,6 @@ class EpicIssue < ApplicationRecord
   alias_attribute :parent, :epic
 
   scope :in_epic, ->(epic_id) { where(epic_id: epic_id) }
-  scope :related_issues_for_batches, ->(epic_ids) { select(:id, :relative_position).where(epic_id: epic_ids) }
 
   validate :validate_confidential_epic