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

ui/gfx/vector_icons/BUILD.gn

Index: ui/gfx/vector_icons/BUILD.gn
diff --git a/ui/gfx/vector_icons/BUILD.gn b/ui/gfx/vector_icons/BUILD.gn
index f8a8157f756e12e968e79a21657d279eeeadb064..80617fd8a8e33d8d334ce81775f7d9f7e378d05e 100644
--- a/ui/gfx/vector_icons/BUILD.gn
+++ b/ui/gfx/vector_icons/BUILD.gn
@@ -109,22 +109,6 @@ action("aggregate_vector_icons") {
     "overflow_chevron.1x.icon",
     "overflow_chevron.icon",
     "paintbrush.icon",
-    "palette_action_capture_region.1x.icon",
-    "palette_action_capture_region.icon",
-    "palette_action_capture_screen.1x.icon",
-    "palette_action_capture_screen.icon",
-    "palette_action_create_note.1x.icon",
-    "palette_action_create_note.icon",
-    "palette_mode_laser_pointer.1x.icon",
-    "palette_mode_laser_pointer.icon",
-    "palette_mode_magnify.1x.icon",
-    "palette_mode_magnify.icon",
-    "palette_tray_icon_default.1x.icon",
-    "palette_tray_icon_default.icon",
-    "palette_tray_icon_laser_pointer.1x.icon",
-    "palette_tray_icon_laser_pointer.icon",
-    "palette_tray_icon_magnify.1x.icon",
-    "palette_tray_icon_magnify.icon",
     "pdf.1x.icon",
     "pdf.icon",
     "photo_camera.icon",
@@ -154,61 +138,6 @@ action("aggregate_vector_icons") {
     "supervisor_account.icon",
     "supervisor_account_circle.icon",
     "sync_problem.icon",
-    "system_menu_accessibility.1x.icon",
-    "system_menu_accessibility.icon",
-    "system_menu_arrow_right.1x.icon",
-    "system_menu_arrow_right.icon",
-    "system_menu_bluetooth.1x.icon",
-    "system_menu_bluetooth.icon",
-    "system_menu_bluetooth_disabled.1x.icon",
-    "system_menu_bluetooth_disabled.icon",
-    "system_menu_brightness.1x.icon",
-    "system_menu_brightness.icon",
-    "system_menu_business.1x.icon",
-    "system_menu_business.icon",
-    "system_menu_caps_lock.1x.icon",
-    "system_menu_caps_lock.icon",
-    "system_menu_cast.1x.icon",
-    "system_menu_cast.icon",
-    "system_menu_child_user.1x.icon",
-    "system_menu_child_user.icon",
-    "system_menu_rotation_lock_auto.1x.icon",
-    "system_menu_rotation_lock_auto.icon",
-    "system_menu_rotation_lock_locked.1x.icon",
-    "system_menu_rotation_lock_locked.icon",
-    "system_menu_screen_share.1x.icon",
-    "system_menu_screen_share.icon",
-    "system_menu_supervised_user.1x.icon",
-    "system_menu_supervised_user.icon",
-    "system_menu_sms.icon",
-    "system_menu_timer.1x.icon",
-    "system_menu_timer.icon",
-    "system_menu_update.1x.icon",
-    "system_menu_update.icon",
-    "system_tray_accessibility.1x.icon",
-    "system_tray_accessibility.icon",
-    "system_tray_battery.1x.icon",
-    "system_tray_battery.icon",
-    "system_tray_battery_alert.1x.icon",
-    "system_tray_battery_alert.icon",
-    "system_tray_battery_bolt.1x.icon",
-    "system_tray_battery_bolt.icon",
-    "system_tray_battery_unreliable.1x.icon",
-    "system_tray_battery_unreliable.icon",
-    "system_tray_battery_x.1x.icon",
-    "system_tray_battery_x.icon",
-    "system_tray_caps_lock.1x.icon",
-    "system_tray_caps_lock.icon",
-    "system_tray_cast.1x.icon",
-    "system_tray_cast.icon",
-    "system_tray_rotation_lock_locked.1x.icon",
-    "system_tray_rotation_lock_locked.icon",
-    "system_tray_screen_share.1x.icon",
-    "system_tray_screen_share.icon",
-    "system_tray_update.1x.icon",
-    "system_tray_update.icon",
-    "system_tray_volume_mute.1x.icon",
-    "system_tray_volume_mute.icon",
     "tab.icon",
     "tab_audio.1x.icon",
     "tab_audio.icon",