fix: remove manifest.json (#8783)

* fix: remove manifest.json

* disable pwa in dev

public/manifest.json

@@ -1,74 +0,0 @@
-{
-  "short_name": "Excalidraw",
-  "name": "Excalidraw",
-  "description": "Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.",
-  "icons": [
-    {
-      "src": "android-chrome-192x192.png",
-      "sizes": "192x192",
-      "type": "image/png"
-    },
-    {
-      "src": "apple-touch-icon.png",
-      "type": "image/png",
-      "sizes": "180x180"
-    }
-  ],
-  "start_url": "/",
-  "display": "standalone",
-  "theme_color": "#000000",
-  "background_color": "#ffffff",
-  "file_handlers": [
-    {
-      "action": "/",
-      "accept": {
-        "application/vnd.excalidraw+json": [".excalidraw"]
-      }
-    }
-  ],
-  "share_target": {
-    "action": "/web-share-target",
-    "method": "POST",
-    "enctype": "multipart/form-data",
-    "params": {
-      "files": [
-        {
-          "name": "file",
-          "accept": ["application/vnd.excalidraw+json", "application/json", ".excalidraw"]
-        }
-      ]
-    }
-  },
-  "screenshots": [
-    {
-      "src": "/screenshots/virtual-whiteboard.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/wireframe.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/illustration.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/shapes.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/collaboration.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    },
-    {
-      "src": "/screenshots/export.png",
-      "type": "image/png",
-      "sizes": "462x945"
-    }
-  ]
-}