JNI refactor: Remove unused method from UrlUtilities.java.

Downstream usages have been updated to use proxy native methods.

Bug: 929661
Change-Id: I05cb9a3a520ae58006395f3826487f92f14e5e74
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1818871
Commit-Queue: Tibor Goldschwendt <tiborg@chromium.org>
Auto-Submit: Eric Stevenson <estevenson@chromium.org>
Reviewed-by: Tibor Goldschwendt <tiborg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#698919}

chrome/lib/util/public/android/java/src/org/chromium/chrome/browser/util/UrlUtilities.java

@@ -360,11 +360,6 @@ public class UrlUtilities {
         return noScheme;
     }
 
-    // TODO(estevenson): Remove this after downstream usages are removed.
-    public static boolean nativeIsGoogleSearchUrl(String url) {
-        return UrlUtilitiesJni.get().isGoogleSearchUrl(url);
-    }
-
     @NativeMethods
     public interface Natives {
         boolean isDownloadable(String url);