This trick helps you to remove the number indicating total number of posts in particular category as many of us don't like displaying numbers.

Let's see what we are trying to achieve :

Before :


After




Steps to Follow :

1) Go to LAYOUT and choose EDIT HTML
2) Check the EXPAND WIDGETS option
3) Search this code (Use Ctrl + F to search)

<data:label.count/>

4) Replace the above searched code with the code below :

<span dir='ltr'>(<data:label.count/>)</span>

5) Finally, Save the template.