PHP5 does not support native type-hints, except `array` + used dbm::is_result()

Signed-off-by: Roland Haeder <roland@mxchange.org>

src/Protocol/DFRN.php

@@ -96,7 +96,6 @@ class DFRN
 	 * @param boolean $onlyheader  Output only the header without content? (Default is "no")
 	 *
 	 * @return string DFRN feed entries
-	 * @todo Find proper type-hints
 	 */
 	public static function feed($dfrn_id, $owner_nick, $last_update, $direction = 0, $onlyheader = false)
 	{