Remove ShadowKeyValueListParser

It is not used anymore.

Change-Id: I52991f42bc0872fd98809d6d6596f4b85d041d60
Fixes: 38346649
Test: RunSettingsRoboTests

tests/robotests/src/com/android/settings/testutils/shadow/ShadowKeyValueListParser.java

@@ -1,36 +0,0 @@
-/*
- * Copyright (C) 2018 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.
- */
-
-package com.android.settings.testutils.shadow;
-
-import android.util.KeyValueListParser;
-
-import org.robolectric.annotation.Implementation;
-import org.robolectric.annotation.Implements;
-
-/**
- * Shadow for {@link KeyValueListParser} so we could implement
- * {@link #getBoolean(String, boolean)} that doesn't support in the current
- * robolectric
- */
-@Implements(KeyValueListParser.class)
-public class ShadowKeyValueListParser {
-
-    @Implementation
-    public boolean getBoolean(String key, boolean defaultValue) {
-        return defaultValue;
-    }
-}