Delete sample_input.csv

sample_input.csv

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-id,language,text,voice_description
-0001,en,"Welcome to VoxCPM2, a multilingual text to speech model.",a calm and friendly young woman
-0002,en,"This is the second sentence that will be converted into speech.",
-0003,km,"សួស្តី! នេះជាការសាកល្បងបំលែងអត្ថបទទៅជាសំឡេងជាភាសាខ្មែរ។",
-0004,km,"សូមអរគុណសម្រាប់ការចូលរួមរបស់អ្នក។",a warm and gentle female voice
-0005,,"You can leave the language column empty and it will be auto-detected.",