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

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

Index: ui/gfx/vector_icons/palette_mode_magnify.1x.icon
diff --git a/ui/gfx/vector_icons/palette_mode_magnify.1x.icon b/ui/gfx/vector_icons/palette_mode_magnify.1x.icon
deleted file mode 100644
index fe3d5faca75800539bf1c9425b95ba959e7cefba..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/palette_mode_magnify.1x.icon
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright 2015 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, 8, 10,
-H_LINE_TO, 5.5f,
-V_LINE_TO, 8,
-H_LINE_TO, 8,
-V_LINE_TO, 5.5f,
-R_H_LINE_TO, 2,
-V_LINE_TO, 8,
-R_H_LINE_TO, 2.5f,
-R_V_LINE_TO, 2,
-H_LINE_TO, 10,
-R_V_LINE_TO, 2.5f,
-H_LINE_TO, 8,
-V_LINE_TO, 10,
-CLOSE,
-R_MOVE_TO, 8.32f, 7.9f,
-R_LINE_TO, 1.65f, -1.8f,
-R_LINE_TO, -3.29f, -3.01f,
-R_CUBIC_TO, 0.83f, -1.15f, 1.32f, -2.56f, 1.32f, -4.09f,
-R_CUBIC_TO, 0, -3.86f, -3.14f, -7, -7, -7,
-CUBIC_TO, 5.14f, 2, 2, 5.14f, 2, 9,
-R_CUBIC_TO, 0, 3.86f, 3.14f, 7, 7, 7,
-R_CUBIC_TO, 1.45f, 0, 2.81f, -0.45f, 3.93f, -1.21f,
-R_LINE_TO, 3.39f, 3.11f,
-CLOSE,
-MOVE_TO, 9, 4,
-CUBIC_TO, 6.24f, 4, 4, 6.24f, 4, 9,
-R_CUBIC_TO, 0, 2.76f, 2.24f, 5, 5, 5,
-R_CUBIC_TO, 2.76f, 0, 5, -2.24f, 5, -5,
-R_CUBIC_TO, 0, -2.76f, -2.24f, -5, -5, -5,
-CLOSE,
-END