update cmd (Azure#27720)

Author: msyyc

tools/azure-sdk-tools/packaging_tools/generate_utils.py

@@ -362,7 +362,6 @@ def gen_cadl(cadl_relative_path: str, spec_folder: str) -> Dict[str, Any]:
         os.makedirs(output_path)
 
     project_yaml["emitters"][cadl_python].pop("sdk-folder")
-    project_yaml["emitters"][cadl_python]["output-path"] = str(output_path)
     with open(project_yaml_path, "w") as file_out:
         yaml.safe_dump(project_yaml, file_out)
 
@@ -372,7 +371,7 @@ def gen_cadl(cadl_relative_path: str, spec_folder: str) -> Dict[str, Any]:
     check_call("npm install", shell=True)
 
     # generate code
-    check_call(f"npx cadl compile . --emit {cadl_python}", shell=True)
+    check_call(f"npx cadl compile . --emit {cadl_python} --output-path={str(output_path)}", shell=True)
     if (output_path / "output.yaml").exists():
         os.remove(output_path / "output.yaml")