Address code review comments

Signed-off-by: Tim Wichmann <tim@wichmann.online>

Author: Tim Wichmann

lib/imap.php

@@ -89,12 +89,10 @@ public function checkPassword($uid, $password) {
 		$url = "{$protocol}://{$this->mailbox}:{$this->port}";
 		$ch = curl_init();
 		curl_setopt($ch, CURLOPT_URL, $url);
-		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 		curl_setopt($ch, CURLOPT_USERPWD, $username.":".$password);
 		curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
 
 		$canconnect = curl_exec($ch);
-		$info = curl_getinfo($ch);
 
 		if($canconnect) {
 			curl_close($ch);