Themes: Remove unnecessary JS functions.

Call Block: Fixed issue in language file.
User Edit: Fixed issue in language file.
File Editor: Fix JS issue in header.

header.php

@@ -74,7 +74,7 @@ echo "<SCRIPT language=\"JavaScript\">\n";
 echo "<!--\n";
 echo "function confirmdelete(url)\n";
 echo "{\n";
-echo " var confirmed = confirm(".$text['button-delete-this'].");\n";
+echo " var confirmed = confirm('".$text['button-delete-this']."');\n";
 echo " if (confirmed == true) {\n";
 echo "      window.location=url;\n";
 echo " }\n";