Form Shortcode

I am having problem with spaces in html code for subscribe form
<p><input type=”hidden” value=”1″ name=”form_id”></input>
</br><input type=”hidden” value=”save” name=”action”></input>
</br><input type=”hidden” value=”subscribers” name=”controller”></input>
</br><input type=”hidden” name=”wysija-page” value=”1″></input></p>
how to remove that code as it add spaces below form
Windows grep don’t find anything with this (first line) code

http://wordpress.org/extend/plugins/wysija-newsletters/