test: fix voice secretbox tests

packages/voice/src/util/__tests__/Secretbox.test.ts

@@ -1,14 +1,6 @@
 import { methods } from '../Secretbox';
-jest.mock(
-	'tweetnacl',
-	() => ({
-		secretbox: {
-			// eslint-disable-next-line @typescript-eslint/no-empty-function
-			open() {},
-		},
-	}),
-	{ virtual: true },
-);
+
+jest.mock('tweetnacl');
 
 test('Does not throw error with a package installed', () => {
 	// @ts-expect-error