build(frontend): delete some unused favicon config

assets/manifest.webmanifest

@@ -1,41 +0,0 @@
-{
- "name": "App",
- "icons": [
-  {
-   "src": "\/android-icon-36x36.png",
-   "sizes": "36x36",
-   "type": "image\/png",
-   "density": "0.75"
-  },
-  {
-   "src": "\/android-icon-48x48.png",
-   "sizes": "48x48",
-   "type": "image\/png",
-   "density": "1.0"
-  },
-  {
-   "src": "\/android-icon-72x72.png",
-   "sizes": "72x72",
-   "type": "image\/png",
-   "density": "1.5"
-  },
-  {
-   "src": "\/android-icon-96x96.png",
-   "sizes": "96x96",
-   "type": "image\/png",
-   "density": "2.0"
-  },
-  {
-   "src": "\/android-icon-144x144.png",
-   "sizes": "144x144",
-   "type": "image\/png",
-   "density": "3.0"
-  },
-  {
-   "src": "\/android-icon-192x192.png",
-   "sizes": "192x192",
-   "type": "image\/png",
-   "density": "4.0"
-  }
- ]
-}

assets/manifest.webmanifest.license

@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: 2022 Steffen Jost <jost@cip.ifi.lmu.de>
-
-SPDX-License-Identifier: AGPL-3.0-or-later

config/favicon.json

@@ -1,76 +0,0 @@
-{
-  "masterPicture": "assets/favicon.svg",
-  "design": {
-    "desktop_browser": {},
-    "ios": {
-      "picture_aspect": "background_and_margin",
-      "margin": "5%",
-      "background_color": "#ffffff",
-      "startup_image": {
-        "background_color": "#ffffff"
-      },
-      "app_name": "FRADrive",
-      "assets": {
-	"ios6_and_prior_icons": false,
-	"ios7_and_later_icons": true,
-	"precomposed_icons": true,
-	"declare_only_default_icon": true
-      }
-    },
-    "windows": {
-      "picture_aspect": "white_silhouette",
-      "background_color": "#0a9342",
-      "app_name": "FRADrive"
-    },
-    "firefox_app": {
-      "picture_aspect": "circle",
-      "keep_picture_in_circle": false,
-      "circle_inner_margin": "5%",
-      "background_color": "#ffffff",
-      "overlay": false,
-      "manifest": {
-        "app_name": "FRADrive",
-        "app_description": {
-          "_i18n": true,
-          "de-de-formal": "Ein webbasiertes Schulungsverwaltungssystem",
-          "en-eu": "A web based training management system"
-        },
-        "developer_name": "Uni2work-Team",
-        "developer_url": "https://uni2work.ifi.lmu.de/info",
-        "display": "browser",
-        "start_url": "/"
-      }
-    },
-    "android_chrome": {
-      "picture_aspect": "shadow",
-      "manifest": {
-	"name": "FRADrive",
-	"display": "browser",
-	"orientation": "portrait",
-	"start_url": "/"
-      },
-      "assets": {
-	"legacy_icon": true,
-	"low_resolution_icons": false
-      }
-    },
-    "safari_pinned_tab": {
-      "picture_aspect": "silhouette",
-      "theme_color": "#0a9342"
-    },
-    "coast": {
-      "picture_aspect": "background_and_margin",
-      "background_color": "#ffffff",
-      "margin": "10%"
-    },
-    "open_graph": {
-      "picture_aspect": "background_and_margin",
-      "background_color": "#ffffff",
-      "margin": "10%",
-      "ratio": "square"
-    }
-  },
-  "settings": {
-    "html_code_file": true
-  }
-}

config/favicon.json.license

@@ -1,3 +0,0 @@
-SPDX-FileCopyrightText: 2022 Gregor Kleen <gregor.kleen@ifi.lmu.de>,Steffen Jost <jost@tcs.ifi.lmu.de>
-
-SPDX-License-Identifier: AGPL-3.0-or-later