Skin System Setting Remove

Hi WF,



I have had this problem for quite a while now and thought i'd go ahead and ask if any one had any ideas on how to remove Skin Settings from System Settings, i mean yes you can remove some but then some don't have the option to remove them.



Look:

Picture of the setting i want to remove:



Now when i click this part:



I get this:





So i go inside the settings and go to delete the settings and i can't look:



There is no option to delete.



So i was wondering how can i delete it.