Autoblog Plugin. How to remove extra HTML code from RSS feed?

Hello!

I use the plugin "Autoblog".
How to remove extra HTML code from RSS feed?

For example, I import the next feed:
http://ftr-premium.fivefilters.org/makefulltextfeed.php?url=feeds.bbci.co.uk%2Fsport%2Fgolf%2Frss.xml&key=2256&hash=4ee4e1150800393f7f545f92f027080e15563444&max=10&links=preserve

But there is extra code in posts like this:

style="padding-bottom:56%"
or
<div class="bbccom_advert"/>

How can I remove it?