Remove cache entity

Signed-off-by: Mario Danic <mario@lovelyhq.com>

app/src/main/java/com/nextcloud/talk/persistence/entities/Cache.java

@@ -1,43 +0,0 @@
-/*
- * Nextcloud Talk application
- *
- * @author Mario Danic
- * Copyright (C) 2017 Mario Danic (mario@lovelyhq.com)
- *
- * 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.persistence.entities;
-
-import android.os.Parcelable;
-
-import java.io.Serializable;
-
-import io.requery.Entity;
-import io.requery.Generated;
-import io.requery.Key;
-import io.requery.Persistable;
-
-@Entity
-public interface Cache extends Parcelable, Persistable, Serializable {
-    @Key
-    @Generated
-    long getId();
-
-    String getKey();
-
-    String getValue();
-
-    Long getUserId();
-}