chore: remove unused imports

TTS/api.py

@@ -1,9 +1,7 @@
 import tempfile
 import warnings
 from pathlib import Path
-from typing import Union
 
-import numpy as np
 from torch import nn
 
 from TTS.config import load_config

TTS/utils/manage.py

@@ -5,7 +5,7 @@ import tarfile
 import zipfile
 from pathlib import Path
 from shutil import copyfile, rmtree
-from typing import Dict, List, Tuple
+from typing import Dict, Tuple
 
 import fsspec
 import requests