Remove UpdateNotification component and its usage in App.tsx

- Deleted the UpdateNotification component to streamline the application.
- Removed its invocation from the App component, enhancing the overall code clarity.
- Updated Assets.car file to reflect changes in the application structure.

app/src/components/UpdateNotification.tsx

@@ -1,69 +0,0 @@
-import { useAutoUpdater } from '../hooks/useAutoUpdater';
-import { Button } from './ui/button';
-import { Card } from './ui/card';
-import { Progress } from './ui/progress';
-
-export function UpdateNotification() {
-  const { status, checkForUpdates, downloadAndInstall } = useAutoUpdater(true);
-
-  if (status.error) {
-    return null;
-  }
-
-  if (!status.available && !status.checking) {
-    return null;
-  }
-
-  if (status.checking) {
-    return (
-      <Card className="p-4 mb-4">
-        <div className="flex items-center gap-3">
-          <div className="animate-spin h-4 w-4 border-2 border-primary border-t-transparent rounded-full" />
-          <span className="text-sm">Checking for updates...</span>
-        </div>
-      </Card>
-    );
-  }
-
-  if (status.available) {
-    return (
-      <Card className="p-4 mb-4 border-primary">
-        <div className="space-y-3">
-          <div>
-            <h3 className="font-semibold">Update Available</h3>
-            <p className="text-sm text-muted-foreground">
-              Version {status.version} is ready to install
-            </p>
-          </div>
-
-          {status.downloading && (
-            <div className="space-y-2">
-              <p className="text-sm">Downloading update...</p>
-              <Progress />
-            </div>
-          )}
-
-          {status.installing && (
-            <div className="space-y-2">
-              <p className="text-sm">Installing update...</p>
-              <p className="text-xs text-muted-foreground">App will restart automatically</p>
-            </div>
-          )}
-
-          {!status.downloading && !status.installing && (
-            <div className="flex gap-2">
-              <Button onClick={downloadAndInstall} size="sm">
-                Install Now
-              </Button>
-              <Button onClick={() => window.location.reload()} variant="outline" size="sm">
-                Later
-              </Button>
-            </div>
-          )}
-        </div>
-      </Card>
-    );
-  }
-
-  return null;
-}