refactor: remove unnecessay WordCloud abstraction

frontend/src/stats/WordCloud.tsx

@@ -1,41 +0,0 @@
-import { ReactWordcloud } from '@cp949/react-wordcloud';
-import { useEffect, useState } from 'react';
-import axios from "axios";
-
-type BackendWord = {
-    word: string;
-    count: number;
-}
-
-const WordCloud = () => {
-    const [words, setWords] = useState<{ text: string; value: number }[]>([]);
-    const [error, setError] = useState<string>('');
-
-
-    useEffect(() => {
-        axios
-            .get("http://localhost:5000/stats/word_frequencies")
-            .then(res => {
-                const mapped = res.data.map((d: BackendWord) => (
-                    {text: d.word, value: d.count}
-                ));
-                setWords(mapped);
-            })
-            .catch(err => {
-                setError(err);
-            });
-
-    }, [])
-
-    return (
-        <div>
-            <ReactWordcloud
-                words={words}
-            />
-        
-            <p>{error}</p>
-        </div>
-    );
-};
-
-export default WordCloud;