[IMP] web: cleanup Apple's web-app related meta tags

Deprecated tags in favor of WebManifest.

Also this icon has been overriden by the favicon since
odoo/odoo@fa2cc58ef3.

task-3063485

Part-of: odoo/odoo#109181

addons/web/views/webclient_templates.xml

@@ -298,12 +298,6 @@
                 <!-- Chrome, Firefox OS and Opera -->
                 <meta name="theme-color" content="#875A7B"/>
                 <link rel="icon" sizes="192x192" href="/web/static/img/mobile-icons/android-192x192.png"/>
-
-                <!-- iOS Safari -->
-                <meta name="apple-mobile-web-app-capable" content="yes"/>
-                <meta name="apple-mobile-web-app-status-bar-style" content="black"/>
-                <link rel="apple-touch-icon" href="/web/static/img/mobile-icons/apple-152x152.png"/>
-
                 <script type="text/javascript">
                     odoo.__session_info__ = <t t-out="json.dumps(session_info)"/>;
                     odoo.reloadMenus = () => fetch(`/web/webclient/load_menus/${odoo.__session_info__.cache_hashes.load_menus}`).then(res => res.json());