Move a bunch of ash-only vector icons to ash/.

ui/gfx/vector_icons/system_menu_supervised_user.1x.icon

Index: ui/gfx/vector_icons/system_menu_supervised_user.1x.icon
diff --git a/ui/gfx/vector_icons/system_menu_supervised_user.1x.icon b/ui/gfx/vector_icons/system_menu_supervised_user.1x.icon
deleted file mode 100644
index aee7f15720e073707b9131ddb16e32a34792b5a5..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/system_menu_supervised_user.1x.icon
+++ /dev/null
@@ -1,33 +0,0 @@
-// Copyright 2016 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-CANVAS_DIMENSIONS, 20,
-MOVE_TO, 14.05f, 10,
-R_CUBIC_TO, 1.24f, 0, 2.24f, -0.96f, 2.24f, -2.14f,
-R_CUBIC_TO, 0, -1.18f, -1, -2.14f, -2.24f, -2.14f,
-R_CUBIC_TO, -1.24f, 0, -2.25f, 0.96f, -2.25f, 2.14f,
-CUBIC_TO, 11.8f, 9.04f, 12.81f, 10, 14.05f, 10,
-CLOSE,
-MOVE_TO, 7.3f, 9.14f,
-R_CUBIC_TO, 1.49f, 0, 2.69f, -1.15f, 2.69f, -2.57f,
-CUBIC_TO, 9.99f, 5.15f, 8.79f, 4, 7.3f, 4,
-CUBIC_TO, 5.81f, 4, 4.6f, 5.15f, 4.6f, 6.57f,
-R_CUBIC_TO, 0, 1.42f, 1.21f, 2.57f, 2.7f, 2.57f,
-CLOSE,
-MOVE_TO, 9, 14,
-R_V_LINE_TO, 2,
-R_H_LINE_TO, 10,
-R_V_LINE_TO, -1.93f,
-CUBIC_TO, 19, 12.5f, 15.52f, 11, 14, 11,
-R_CUBIC_TO, -1.52f, 0, -5, 1.5f, -5, 3,
-CLOSE,
-R_MOVE_TO, -8, -0.14f,
-V_LINE_TO, 16,
-R_H_LINE_TO, 7,
-R_V_LINE_TO, -2,
-R_CUBIC_TO, 0, -0.73f, 0, -2, 2, -2.9f,
-R_CUBIC_TO, -0.83f, -0.15f, -1.87f, 0, -2.5f, 0,
-R_CUBIC_TO, -2.24f, 0, -6.5f, 0.76f, -6.5f, 2.76f,
-CLOSE,
-END