Move some style rules from navigator.css to their rightful home in themes/**/brand.css b=144438 r=timeless sr=jag

suite/browser/navigator.css

@@ -33,12 +33,3 @@ window[chromehidden~="toolbar"] #nav-bar-buttons,
 window[chromehidden~="toolbar"] #print-button {
   display: none;
 }
-
-window[chromehidden~="toolbar"] #navigator-throbber {
-  margin: 0 5px 0 0 !important;
-  list-style-image: url("chrome://communicator/skin/brand/throbber16-single.gif") !important;
-}
-  
-window[chromehidden~="toolbar"] #navigator-throbber[busy="true"] {
-  list-style-image: url("chrome://communicator/skin/brand/throbber16-anim.gif") !important;
-}