Filter columns for translating player names

data.py

@@ -73,6 +73,8 @@ players_df = (
 translated_df = (
     pl.read_parquet('files/players_translated.parquet')
     .with_columns(pl.col('name_jp').str.normalize('NFKC').str.replace_all('・', ' '))
+    ['name_jp', 'name_kana', 'name_en']
+    .unique()
 )
 manual_translated_df = pl.read_parquet('files/players_translated_manual.parquet')