[Architecture] remove unused drawable file

features/onboarding/impl/src/main/res/drawable/bg_gradient_ftue_breaker.xml

@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (c) 2022 New Vector Ltd
-  ~
-  ~ 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>
-            <gradient
-                android:angle="@integer/rtl_mirror_flip"
-                android:endColor="#55DFD1FF"
-                android:startColor="#55A5F2E0" />
-        </shape>
-    </item>
-    <item>
-        <shape>
-            <gradient
-                android:angle="90"
-                android:endColor="@android:color/transparent"
-                android:startColor="?android:colorBackground" />
-        </shape>
-    </item>
-</layer-list>