trim should be done externally

Author: simonLeary42

resources/lib/UnitySite.php

@@ -52,10 +52,6 @@ public static function getGithubKeys($username)
 
     public static function testValidSSHKey($key_str)
     {
-        $key_str = trim($key_str);
-        if ($key_str == "") {
-            return false;
-        }
         try {
             PublicKeyLoader::load($key_str);
             return true;