remove defunct javascript interface

Bug: 7073422

The feature that is using search box implementation was removed from
browser after Honeycomb. This is to remove the js interface that
is added for this feature.

Change-Id: I9441d461caf189467e4ad45de958c13b81f4ff17

core/java/android/webkit/BrowserFrame.java

@@ -247,7 +247,6 @@ class BrowserFrame extends Handler {
         mWebViewCore = w;
 
         mSearchBox = new SearchBoxImpl(mWebViewCore, mCallbackProxy);
-        mJavaScriptObjects.put(SearchBoxImpl.JS_INTERFACE_NAME, mSearchBox);
 
         AssetManager am = context.getAssets();
         nativeCreateFrame(w, am, proxy.getBackForwardList());
@@ -598,8 +597,6 @@ class BrowserFrame extends Handler {
             }
         }
         mRemovedJavaScriptObjects.clear();
-
-        stringByEvaluatingJavaScriptFromString(SearchBoxImpl.JS_BRIDGE);
     }
 
     /**