Clean up. Experimental user avatars removed.

components/user_manager/user.h

Index: components/user_manager/user.h
diff --git a/components/user_manager/user.h b/components/user_manager/user.h
index 8f42f32078c98812cc46502f1d173e7686bafa7e..b9b221073ab3662a1778a7fa9c6315bcd37caace 100644
--- a/components/user_manager/user.h
+++ b/components/user_manager/user.h
@@ -101,11 +101,6 @@ class USER_MANAGER_EXPORT User : public UserInfo {
   const UserImage::RawImage& raw_image() const {
     return user_image_.raw_image();
   }
-  bool has_animated_image() const { return user_image_.has_animated_image(); }
-  // Returns raw representation of animated user image.
-  const UserImage::RawImage& animated_image() const {
-    return user_image_.animated_image();
-  }
 
   // Whether |raw_image| contains data in format that is considered safe to
   // decode in sensitive environment (on Login screen).