Remove redundant pagination helpers after a bad merge

[ci skip]

lib/api/helpers.rb

@@ -356,38 +356,6 @@ module API
       @sudo_identifier ||= params[SUDO_PARAM] || env[SUDO_HEADER]
     end
 
-    def add_pagination_headers(paginated_data)
-      header 'X-Total',       paginated_data.total_count.to_s
-      header 'X-Total-Pages', paginated_data.total_pages.to_s
-      header 'X-Per-Page',    paginated_data.limit_value.to_s
-      header 'X-Page',        paginated_data.current_page.to_s
-      header 'X-Next-Page',   paginated_data.next_page.to_s
-      header 'X-Prev-Page',   paginated_data.prev_page.to_s
-      header 'Link',          pagination_links(paginated_data)
-    end
-
-    def pagination_links(paginated_data)
-      request_url = request.url.split('?').first
-      request_params = params.clone
-      request_params[:per_page] = paginated_data.limit_value
-
-      links = []
-
-      request_params[:page] = paginated_data.current_page - 1
-      links << %(<#{request_url}?#{request_params.to_query}>; rel="prev") unless paginated_data.first_page?
-
-      request_params[:page] = paginated_data.current_page + 1
-      links << %(<#{request_url}?#{request_params.to_query}>; rel="next") unless paginated_data.last_page?
-
-      request_params[:page] = 1
-      links << %(<#{request_url}?#{request_params.to_query}>; rel="first")
-
-      request_params[:page] = paginated_data.total_pages
-      links << %(<#{request_url}?#{request_params.to_query}>; rel="last")
-
-      links.join(', ')
-    end
-
     def secret_token
       Gitlab::Shell.secret_token
     end