Remove "MacRumors" as a prefix from the "Open Chat" category

[User 189]

With the creation of the "Open MacRumors Discussion" subcategory, I see no point in keeping the "MacRumors" prefix around.

 

[Eric]

With the creation of the "Open MacRumors Discussion" subcategory, I see no point in keeping the "MacRumors" prefix around.

Agreed, it's removed.