remove data of guilds that the bot is removed from

src/features/guildDelete/deleteConfig.js

@@ -0,0 +1,17 @@
+class DeleteConfig {
+    static async event(options, guild) {
+        await this.delete(options.database, guild.id);
+    }
+
+    static async delete(database, guildID) {
+        return Promise.all([
+            database.query("DELETE FROM channels WHERE guildid = ?",[guildID]),
+            database.query("DELETE FROM guilds WHERE id = ?",[guildID]),
+            database.query("DELETE FROM responses WHERE guildid = ?",[guildID]),
+            database.query("DELETE FROM badWords WHERE guildid = ?",[guildID]),
+            database.query("DELETE FROM moderations WHERE guildid = ?",[guildID])
+        ]);
+    }
+}
+
+module.exports = DeleteConfig;