fix(python): remove pin to setuptools, pin python version (#4395)

fix(setuptools): remove pin

Signed-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/python/vall-e-x/requirements-intel.txt

@@ -3,5 +3,4 @@ intel-extension-for-pytorch
 accelerate
 torch
 torchaudio
-optimum[openvino]
-setuptools==75.1.0 # https://github.com/mudler/LocalAI/issues/2406
+optimum[openvino]

backend/python/vall-e-x/requirements.txt

@@ -1,3 +1,4 @@
 grpcio==1.68.1
 protobuf
-certifi
+certifi
+setuptools