remove unused functions

Author: grawity

cluebot.php

@@ -14,7 +14,7 @@ function send(/*@args*/) {
 	global $socket;
 
 	$args = func_get_args();
-	$str = ircimplode($args);
+	$str = Message::implode($args);
 	return fwrite($socket, $str);
 }
 

libirc.php

@@ -17,7 +17,7 @@ function __construct($tags, $prefix, $params) {
 	static function parse($str) {
 		$tags = array();
 		$prefix = null;
-		$params = ircexplode($str);
+		$params = self::explode($str);
 
 		if ($params[0][0] === "@") {
 			$tags = array_shift($params);
@@ -98,18 +98,6 @@ static function parse($prefix) {
 	}
 }
 
-function ircexplode($str) {
-	return Message::explode($str);
-}
-
-function ircimplode($params) {
-	return Message::implode($params);
-}
-
-function prefixparse($prefix) {
-	return MessagePrefix::parse($prefix);
-}
-
 function ischannel($target) {
 	return $target[0] == "#";
 }