Remove panel_slice_slider_row_large_icon.xml

-unused resource

Bug: 175850711
Test: build pass
Change-Id: Ibf344d2c1e54f4aaaa945afbca46e278089e9e01

res/layout/panel_slice_slider_row_large_icon.xml

@@ -1,31 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-     Copyright (C) 2020 The Android Open Source Project
-
-     Licensed under the Apache License, Version 2.0 (the "License");
-     you may not use this file except in compliance with the License.
-     You may obtain a copy of the License at
-
-          http://www.apache.org/licenses/LICENSE-2.0
-
-     Unless required by applicable law or agreed to in writing, software
-     distributed under the License is distributed on an "AS IS" BASIS,
-     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-     See the License for the specific language governing permissions and
-     limitations under the License.
--->
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/slice_slider_layout"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:orientation="vertical">
-
-    <androidx.slice.widget.SliceView
-        android:id="@+id/slice_view"
-        style="@style/Widget.SliceView.Panel.Slider.LargeIcon"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:paddingStart="0dp"
-        android:paddingEnd="0dp"/>
-</LinearLayout>