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

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

Index: ui/gfx/vector_icons/system_tray_battery_unreliable.1x.icon
diff --git a/ui/gfx/vector_icons/system_tray_battery_unreliable.1x.icon b/ui/gfx/vector_icons/system_tray_battery_unreliable.1x.icon
deleted file mode 100644
index ce744ea6d80061b2cfc96e1347b4a27864736f4e..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/system_tray_battery_unreliable.1x.icon
+++ /dev/null
@@ -1,16 +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, 16,
-MOVE_TO, 7.25f, 9.19f,
-R_CUBIC_TO, -0.99f, 0.01f, -1.25f, 0.6f, -1.25f, 0.6f,
-V_LINE_TO, 8.6f,
-CUBIC_TO, 6, 8.6f, 6.27f, 8, 7.26f, 8,
-R_CUBIC_TO, 0.99f, 0, 1.5f, 1.17f, 2.53f, 1.17f,
-R_CUBIC_TO, 1.03f, 0, 1.21f, -0.57f, 1.21f, -0.57f,
-R_V_LINE_TO, 1.19f,
-R_CUBIC_TO, 0, 0, -0.19f, 0.63f, -1.22f, 0.63f,
-R_CUBIC_TO, -1.03f, 0, -1.53f, -1.25f, -2.53f, -1.23f,
-CLOSE,
-END