Remove unused file, we do not have LikeTheSalad on this project.

app/src/main/res/values/strings.xml

@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-  ~ Copyright (c) 2023 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.
-  -->
-<resources xmlns:tools="http://schemas.android.com/tools">
-    <!-- The https://github.com/LikeTheSalad/android-stem requires a non empty strings.xml -->
-    <string name="ignored_placeholder" translatable="false" tools:ignore="UnusedResources">ignored</string>
-</resources>