Clean up unused checkmark xml files

Flag: NONE
Bug: 332255807
Test: manually verified app compiles and checkmarks display
Change-Id: Ia559ac7623b62a0dc1a5f274b8712a8f44a13447
diff --git a/res/drawable/check_circle_grey_large.xml b/res/drawable/check_circle_grey_large.xml
deleted file mode 100644
index f22c910..0000000
--- a/res/drawable/check_circle_grey_large.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<!--
-     Copyright (C) 2021 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.
--->
-<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
-    <item>
-        <shape android:shape="oval">
-            <size android:width="@dimen/center_check_size"
-                android:height="@dimen/center_check_size" />
-            <solid android:color="@color/color_accent_primary_variant" />
-        </shape>
-    </item>
-    <item>
-        <inset android:drawable="@drawable/ic_check_24dp"
-            android:insetTop="@dimen/center_check_padding"
-            android:insetRight="@dimen/center_check_padding"
-            android:insetBottom="@dimen/center_check_padding"
-            android:insetLeft="@dimen/center_check_padding"/>
-    </item>
-</layer-list>