How do I get rid of "no results" within a category and only show Subcategories

[Travelander]

Hi, I am using Joomla 2.5.16 and VM 2.0.24 and the template being used is a yoo theme template called Corona

So what I have is
parent Category
- Camping Gear

Sub Categories
- Water and fuel containers
- camping tables and chairs
- camping accessories

What I want to happen is, if someone clicks on Camping gear have within that category only the sub category options showing
and not the actual category showing also with the words "no result"

I have tried inspecting the element and finding relevant code... but I can't find it nor do I know what to change.
I find changing CSS real easy but this one is hard !

Here is a link of what it is doing.

http://www.trakoutdoor.com.au/camping-gear

Hope someone can help quickly... thanks