make it compile

server/src/main/kotlin/eu/kanade/tachiyomi/animesource/ConfigurableAnimeSource.kt

@@ -1,6 +1,6 @@
 package eu.kanade.tachiyomi.animesource
 
-import android.support.v7.preference.PreferenceScreen
+import androidx.preference.PreferenceScreen
 
 interface ConfigurableAnimeSource : AnimeSource {
 

server/src/main/kotlin/eu/kanade/tachiyomi/source/ConfigurableSource.kt

@@ -1,13 +1,5 @@
 package eu.kanade.tachiyomi.source
 
-/*
- * Copyright (C) Contributors to the Suwayomi project
- *
- * This Source Code Form is subject to the terms of the Mozilla Public
- * License, v. 2.0. If a copy of the MPL was not distributed with this
- * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
-
-
 import androidx.preference.PreferenceScreen
 
 interface ConfigurableSource : Source {