fix: remove redundant import of fonts.css in Storybook preview

- Fonts are now loaded via`.storybook/preview-head.html`
- This prevents issues with Vite's handling of static assets in `public/`

RISDEV-0000

.storybook/preview.ts

@@ -5,7 +5,6 @@ import { initialize, mswLoader } from "msw-storybook-addon";
 import PrimeVue from "primevue/config";
 import ConfirmationService from "primevue/confirmationservice";
 import ToastService from "primevue/toastservice";
-import "../public/fonts.css";
 import { deDE } from "../src/config/locale";
 import { RisUiTheme } from "../src/primevue";
 import "./preview.css";