remove unused interface

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

app/src/main/java/com/nextcloud/talk/models/json/generic/IGenericOCS.kt

@@ -1,24 +0,0 @@
-/*
- * Nextcloud Talk application
- *
- * @author Andy Scherzinger
- * Copyright (C) 2022 Andy Scherzinger <info@andy-scherzinger.de>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-package com.nextcloud.talk.models.json.generic
-
-interface IGenericOCS {
-    fun getGenericMeta(): GenericMeta?
-}