Use vanilla vite config

vite.config.ts

@@ -4,8 +4,5 @@ import { keycloakify } from "keycloakify/vite-plugin";
 
 // https://vitejs.dev/config/
 export default defineConfig({
-    plugins: [react(), keycloakify({})],
-    build: {
-        sourcemap: true
-    }
+    plugins: [react(), keycloakify({})]
 });