Documentation/user-review-ui: drop change owner description

Change Iefb02cc9f added these to UI.

Change-Id: I812deb6a2900aec7c3431920a65574c0829ab38f
diff --git a/Documentation/images/gwt-user-review-ui-change-screen-change-info-owner.png b/Documentation/images/gwt-user-review-ui-change-screen-change-info-owner.png
deleted file mode 100644
index 3d73ef7..0000000
--- a/Documentation/images/gwt-user-review-ui-change-screen-change-info-owner.png
+++ /dev/null
Binary files differ
diff --git a/Documentation/user-review-ui.txt b/Documentation/user-review-ui.txt
index a9ad14f..156ea02 100644
--- a/Documentation/user-review-ui.txt
+++ b/Documentation/user-review-ui.txt
@@ -93,13 +93,6 @@
 
 image::images/gwt-user-review-ui-change-screen-change-info.png[width=800, link="images/gwt-user-review-ui-change-screen-change-info.png"]
 
-- [[change-owner]]Change Owner:
-+
-The owner of the change is displayed as a link to a list of the owner's
-changes that have the same status as the currently viewed change.
-+
-image::images/gwt-user-review-ui-change-screen-change-info-owner.png[width=800, link="images/gwt-user-review-ui-change-screen-change-info-owner.png"]
-
 - [[reviewers]]Reviewers:
 +
 The reviewers of the change are displayed as chip tokens.