Remove a duplicate CSS rule from devtools.css

webkit/glue/devtools/js/devtools.css

 #scripts-files option.injected {
     color: rgb(70, 134, 240);
 }
 
 .data-grid table {
     line-height: 120%;
 }
 
 body.attached #toolbar {
     height: 34px;
@@ skipping 121 matching lines @@
 }
 
 button.status-bar-item {
     background-image: url(Images/statusbarButtonsChromium.png);
 }
 
 select.status-bar-item:active {
     -webkit-border-image: url(Images/statusbarMenuButtonSelectedChromium.png) 0 17 0 2;
 }
 
-
 #drawer {
     background-image: url(Images/statusbarBottomBackgroundChromium.png);
 }
 
 select.status-bar-item {
     -webkit-border-image: url(Images/statusbarMenuButtonChromium.png) 0 17 0 2;
 }
 
-select.status-bar-item:active {
-    -webkit-border-image: url(Images/statusbarMenuButtonSelectedChromium.png) 0 17 0 2;
-}
-
 .scope-bar li.selected {
     -webkit-box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.0);
 }
 
 .scope-bar li:active {
     -webkit-box-shadow: 0px 0px 0px rgba(0, 0, 0, 0.0);
 }