          if self.enable_amd:
              backend = "amd"
          elif self.enable_cuda:
              backend = "nvidia"
          elif self.enable_apple:
              backend = "apple_silicon"
          else:
              backend = "cpu"
          config = {"backend": backend}
          pypath = os.path.dirname(os.path.realpath(__file__))
          config_file = os.path.join(pypath, "config", ".faceswap")
 
</s> remove             selection = input("1: AMD, 2: CPU, 3: NVIDIA, 4: Apple Silicon: ")
 </s> add             selection = input("1: AMD, 2: CPU, 3: NVIDIA, 4: APPLE SILICON: ") </s> remove         activate_script = os.path.join(conda_prefix, activate_folder, f"env_vars.sh")
        deactivate_script = os.path.join(conda_prefix, deactivate_folder, f"env_vars.sh")
 </s> add         activate_script = os.path.join(conda_prefix, activate_folder, "env_vars.sh")
        deactivate_script = os.path.join(conda_prefix, deactivate_folder, "env_vars.sh") </s> remove     - ffmpy==0.2.3 </s> add 
          if self.enable_amd:
              backend = "amd"
          elif self.enable_cuda:
              backend = "nvidia"


          else:
              backend = "cpu"
          config = {"backend": backend}
          pypath = os.path.dirname(os.path.realpath(__file__))
          config_file = os.path.join(pypath, "config", ".faceswap")
keep keep keep keep replace replace keep keep keep keep keep
 minor cleanup
- Consistent naming for backend selection
- Remove apple-silicon from setup.py (not yet implemented) 
setup.py