Removes @projects as not used anymore - getting selected data from controller instead

app/views/shared/issuable/_label_dropdown.html.haml

-- project = @target_project || @project || @projects
+- project = @target_project || @project
 - show_create = local_assigns.fetch(:show_create, true)
 - extra_options = local_assigns.fetch(:extra_options, true)
 - filter_submit = local_assigns.fetch(:filter_submit, true)

app/views/shared/issuable/_milestone_dropdown.html.haml

-- project = @target_project || @project || @projects
+- project = @target_project || @project
 - extra_class = extra_class || ''
 - selected_text = selected.try(:title)
 - if selected.present?