Drop unused user mail templates system

dev/Model/Template.js

@@ -1,23 +0,0 @@
-import ko from 'ko';
-
-import { AbstractModel } from 'Knoin/AbstractModel';
-
-export class TemplateModel extends AbstractModel {
-	/**
-	 * @param {string} id
-	 * @param {string} name
-	 * @param {string} body
-	 */
-	constructor(id = '', name = '', body = '') {
-		super();
-
-		this.id = id;
-		this.name = name;
-		this.body = body;
-		this.populated = true;
-
-		this.deleteAccess = ko.observable(false);
-	}
-
-//	static reviveFromJson(json) {}
-}