Replace OSS licenses plugin with Licensee and some manually done UI.

This should fix both configuration cache and reproducible F-droid builds.

Cleanup and remove gplay/fdroid diff on open source licenses.

Co-authored by @jmartinesp

features/preferences/api/src/main/kotlin/io/element/android/features/preferences/api/OpenSourceLicensesProvider.kt

@@ -1,24 +0,0 @@
-/*
- * Copyright (c) 2024 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
- *
- *     https://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 io.element.android.features.preferences.api
-
-import android.app.Activity
-
-interface OpenSourceLicensesProvider {
-    val hasOpenSourceLicenses: Boolean
-    fun navigateToOpenSourceLicenses(activity: Activity)
-}