Description of problem:
When right-clicking a file in nautilus, fileroller commands such as "Add to
archive.." appear twice in the popup-menu.

Version-Release number of selected component (if applicable):
2.2.1

How reproducible:
Always.

Steps to Reproduce:
1. Right-click on a file in nautilus (I'm using icon view here)
2. Look in the lower part of the popup-menu
3. Done
    
Actual results:
Fileroller commands (add, extract etc) are listed twice each.

Expected results:
Fileroller commands (add, extract etc) should be listed only once each.