Updated todo to use the common format.

includes/class-woocommerce.php

@@ -232,10 +232,11 @@ final class WooCommerce {
 	 *
 	 * Legacy REST requests should still run some extra code for backwards compatibility.
 	 *
+	 * @todo: replace this function once core WP function is available: https://core.trac.wordpress.org/ticket/42061.
+	 *
 	 * @return bool
 	 */
 	private static function is_rest_api_request() {
-		// TODO: replace this function once core WP function is available: https://core.trac.wordpress.org/ticket/42061.
 		$request_uri = $_SERVER['REQUEST_URI']; // @codingStandardsIgnoreLine
 		if ( empty( $request_uri ) ) {
 			return false;