Well, I had a look at the code again and we do js check for showDirections. So I went in the settings and I looked for a show directions button. After a while I realised that we don't have such an option there. So I went the code to see what I'm doing to set the the showDirections variable and actually it is being set to the value of the menu. If there is no menu, we cannot show the directions...
So go to components/com_hotspots/utils.php around line 106 you should have this:
$settings['showDirections'] = HotspotsHelper::getSettings('hs_show_controllmenu', 1);
to
$settings['showDirections'] = 0;
And then the directions button should not be shown on the page.
Regards,
Daniel