Backing out a CSS change (url background color set to blue) that I accidentally introduced in work on bug 248672. bug=336416

browser/themes/gnomestripe/browser/browser.css

@@ -908,7 +908,7 @@ toolbar[mode="text"] > #window-controls > toolbarbutton > .toolbarbutton-text {
 
 #urlbar[level="high"] > .autocomplete-textbox-container,
 #urlbar[level="low"] > .autocomplete-textbox-container {
-  background-color: blue; /*#F5F6BE;*/ /* #F7F898; */
+  background-color: #F5F6BE; /* #F7F898; */
   color: #000000;
 }