rm unused import

apps/app/src/features/openai/client/components/AiAssistant/AiAssistantSidebar/AiAssistantDropdown.tsx

@@ -1,5 +1,5 @@
 
-import React, { useState, useMemo, useCallback } from 'react';
+import React, { useMemo, useCallback } from 'react';
 
 import { useTranslation } from 'react-i18next';
 import {