chore(encoder): remove unused code

TTS/encoder/utils/generic_utils.py

@@ -2,7 +2,6 @@ import datetime
 import glob
 import os
 import random
-import re
 
 import numpy as np
 from scipy import signal
@@ -118,11 +117,6 @@ class AugmentWAV(object):
         return self.additive_noise(noise_type, audio)
 
 
-def to_camel(text):
-    text = text.capitalize()
-    return re.sub(r"(?!^)_([a-zA-Z])", lambda m: m.group(1).upper(), text)
-
-
 def setup_encoder_model(config: "Coqpit"):
     if config.model_params["model_name"].lower() == "lstm":
         model = LSTMSpeakerEncoder(