skin cleanup

toolkit/skin/win/jar.mn

@@ -23,7 +23,7 @@ classic.jar:
 +  skin/classic/global/splitter.css
 +  skin/classic/global/tabbox.css
 +  skin/classic/global/textbox.css
-*+ skin/classic/global/toolbarbutton.css
++  skin/classic/global/toolbarbutton.css
 +  skin/classic/global/tree.css
 +  skin/classic/global/wizard.css
 +  skin/classic/global/wizardOverlay.css

toolkit/skin/win/toolbarbutton.css

@@ -151,9 +151,6 @@ toolbarbutton[open="true"] > stack > .toolbarbutton-menubutton-dropmarker {
   -moz-image-region: rect(0 14px 15px 0px) !important;
   margin-left: 38px;
   margin-top: 8px;
-#ifdef XP_UNIX
-  -moz-appearance: dualbutton-dropdown;
-#endif
 }
 
 toolbar[mode="icons"] .toolbarbutton-menubutton-dropmarker {