types import error fixed

frontend/src/components/features/comments/ReactionButtons.tsx

@@ -1,4 +1,4 @@
-import React from 'react';
+
 import { useAuth } from '../../../contexts/AuthContext';
 import { useReactionCounts, useUserReaction, useAddReaction } from '../../../queries/comments';
 import { Button } from '../../ui/button';