Remove extra act

Author: fabioh8010

tests/unit/useOnyxTest.ts

@@ -287,7 +287,6 @@ describe('useOnyx', () => {
             const {result: result2} = renderHook(() => useOnyx(`${ONYXKEYS.COLLECTION.TEST_KEY}entry1`));
             const {result: result3} = renderHook(() => useOnyx(`${ONYXKEYS.COLLECTION.TEST_KEY}entry1`));
 
-            await act(async () => waitForPromisesToResolve());
             await act(async () => waitForPromisesToResolve());
 
             expect(result1.current[0]).toBeUndefined();