if you want to remove it for ever from editor box
Open
ckeditor.php in forumroot/vb folder
Find And Remove it
Code:
$toolbar[] = '/';
$toolbar[] = array('Table', 'TableProperties', 'DeleteTable', '-', 'InsertRowBefore', 'InsertRowAfter', 'DeleteRow', '-', 'InsertColumnBefore', 'InsertColumnAfter', 'DeleteColumn', '-', 'Subscript', 'Superscript', 'HorizontalRule');