Remove unnecessary newline before update_conda call

Author: cxzhong

tools/update-conda.py

@@ -324,5 +324,4 @@ def get_optional_dependencies(pyproject: dict) -> list[str]:
     # print(f"Optional dependencies: {optional_dependencies}")  # Uncommented for debugging
     return optional_dependencies
 
-
-update_conda(options.sourcedir, options.systems)
+update_conda(options.sourcedir, options.systems)