refactor(tests): remove redundant environment specification for client test

Author: spences10

packages/sveltekit-embed/vite.config.ts

@@ -11,7 +11,6 @@ export default defineConfig({
 				extends: './vite.config.ts',
 				test: {
 					name: 'client',
-					environment: 'browser',
 					browser: {
 						enabled: true,
 						provider: playwright(),