Migrate away from deprecated app.php file

appinfo/app.php

@@ -1,32 +0,0 @@
-<?php
-/**
- * ownCloud - weather
- *
- * This file is licensed under the Affero General Public License version 3 or
- * later. See the COPYING file.
- *
- * @author Loic Blot <loic.blot@unix-experience.fr>
- * @copyright Loic Blot 2015
- */
-
-namespace OCA\Weather\AppInfo;
-
-\OC::$server->getNavigationManager()->add([
-	    // the string under which your app will be referenced in owncloud
-	    'id' => 'weather',
-
-	    // sorting weight for the navigation. The higher the number, the higher
-	    // will it be listed in the navigation
-	    'order' => 10,
-
-	    // the route that will be shown on startup
-	    'href' => \OC::$server->getURLGenerator()->linkToRoute('weather.city.index'),
-
-	    // the icon that will be shown in the navigation
-	    // this file needs to exist in img/
-	    'icon' => \OC::$server->getURLGenerator()->imagePath('weather', 'app.svg'),
-
-	    // the title of your application. This will be used in the
-	    // navigation or on the settings page of your app
-	    'name' => \OCP\Util::getL10N('weather')->t('Weather')
-]);

appinfo/info.xml

@@ -20,4 +20,12 @@
     <settings>
         <admin>OCA\Weather\Settings\AdminSettings</admin>
     </settings>
+    <navigations>
+    <navigation>
+        <id>weather</id>
+        <name>Weather</name>
+        <route>weather.city.index</route>
+        <icon>app.svg</icon>
+    </navigation>
+</navigations>
 </info>