Revert of [Android] Reland "Provide unhandled tap event notifications"

content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java

Index: content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
diff --git a/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java b/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
index 15971606a1eb10542b1ff3389e6978dd6e8760b2..8cb82d6b9c130270fcb023648fea2a7536d12aaa 100644
--- a/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
+++ b/content/public/android/java/src/org/chromium/content_public/browser/GestureStateListener.java
@@ -61,9 +61,4 @@
      * Called when the scroll offsets or extents may have changed.
      */
     public void onScrollOffsetOrExtentChanged(int scrollOffsetY, int scrollExtentY) {}
-
-    /*
-     * Called when a tap event was not handled by the renderer.
-     */
-    public void onUnhandledTapEvent(int x, int y) {}
 }