Fix opening the search dropdown with F4 or alt+up/down (bug 337720) Patch by pamg, r=gavin, sr/b181=me

browser/themes/gnomestripe/browser/jar.mn

@@ -11,7 +11,6 @@ classic.jar:
         skin/classic/browser/livemark-item.png
         skin/classic/browser/livemark-item-rtl.png
         skin/classic/browser/searchbar.css
-        skin/classic/browser/search-arrow.gif
         skin/classic/browser/Search-bar.png
         skin/classic/browser/Search.png
         skin/classic/browser/Search-add-engines.png

browser/themes/gnomestripe/browser/searchbar.css

@@ -2,22 +2,11 @@
   width: 15em;
 }
 
-.searchbar-dropmarker {
-  margin-top: 2px;
-  margin-bottom: 1px;
-}
-
 .searchbar-engine-image {
   margin: 0px 0px 0px 2px;
   list-style-image: url("chrome://browser/skin/Search-bar.png");
 }
 
-.searchbar-dropmarker-image {
-  -moz-margin-start: 12px;
-  margin-top: 8px;
-  list-style-image: url("chrome://browser/skin/search-arrow.gif");
-}
-
 .search-go-button-container {
   border-left: 1px solid ThreeDShadow;
 }