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

ui/gfx/vector_icons/palette_mode_magnify.icon

Index: ui/gfx/vector_icons/palette_mode_magnify.icon
diff --git a/ui/gfx/vector_icons/palette_mode_magnify.icon b/ui/gfx/vector_icons/palette_mode_magnify.icon
deleted file mode 100644
index 53f1c3800e219ce072ff2092322ee6c1d481f726..0000000000000000000000000000000000000000
--- a/ui/gfx/vector_icons/palette_mode_magnify.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, 40,
-MOVE_TO, 16, 20,
-R_H_LINE_TO, -5,
-R_V_LINE_TO, -4,
-R_H_LINE_TO, 5,
-R_V_LINE_TO, -5,
-R_H_LINE_TO, 4,
-R_V_LINE_TO, 5,
-R_H_LINE_TO, 5,
-R_V_LINE_TO, 4,
-R_H_LINE_TO, -5,
-R_V_LINE_TO, 5,
-R_H_LINE_TO, -4,
-R_V_LINE_TO, -5,
-CLOSE,
-R_MOVE_TO, 16.63f, 15.8f,
-LINE_TO, 35.93f, 32.2f,
-R_LINE_TO, -6.57f, -6.02f,
-R_CUBIC_TO, 1.66f, -2.3f, 2.64f, -5.13f, 2.64f, -8.18f,
-R_CUBIC_TO, 0, -7.72f, -6.28f, -14, -14, -14,
-R_CUBIC_TO, -7.72f, 0, -14, 6.28f, -14, 14,
-R_CUBIC_TO, 0, 7.72f, 6.28f, 14, 14, 14,
-R_CUBIC_TO, 2.91f, 0, 5.61f, -0.89f, 7.86f, -2.42f,
-R_LINE_TO, 6.78f, 6.22f,
-CLOSE,
-MOVE_TO, 18, 8,
-CUBIC_TO, 12.48f, 8, 8, 12.49f, 8, 18,
-R_CUBIC_TO, 0, 5.51f, 4.49f, 10, 10, 10,
-R_CUBIC_TO, 5.51f, 0, 10, -4.49f, 10, -10,
-R_CUBIC_TO, 0, -5.51f, -4.49f, -10, -10, -10,
-CLOSE,
-END