In widgets.php locate the following code and delete the columns you don't want.
$k_option['custom']['footer'] = array('column1','column2','column3','column4');
For example if you want two columns the code should look like:
$k_option['custom']['footer'] = array('column1','column2');
In footer.php locate the following line:
if($columns == 4){$last = "last"; }
Change it to:
if($columns == 2){$last = "last"; }
In style.css locate:
.footerColumn{overflow:hidden; float:left; position: relative; margin-right:40px; width:182px; font-size:11px;}
Change the width to your desired width. For example:
.footerColumn{overflow:hidden; float:left; position: relative; margin-right:40px; width:400px; font-size:11px;}
Log into your WP-Admin panel and view your widget areas. You should now only have two Footer Widgets.
This may not be the best method as I'm not a developer, but I have a pretty good understanding of the code when I look at it and to me that gave the desired result :)
Might need the official support team here to give my method the once over to make sure it's correct :)