Potential fix for code scanning alert no. 424: Variable defined multiple times

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>
Signed-off-by: Hemil Desai <hemil.desai10@gmail.com>
Signed-off-by: Hemil Desai <hemild@nvidia.com>

Author: hemildesai

nemo_run/core/execution/slurm.py

@@ -900,7 +900,7 @@ def materialize(self) -> str:
 
         # commandline (this will run the function and args specified in the file provided as argument)
         # We pass --output and --error here, because the SBATCH command doesn't work as expected with a filename pattern
-        stderr_flags = [] if self.executor.stderr_to_stdout else ["--error", stderr]
+        # Removed redundant assignment to stderr_flags
 
         srun_commands = []
         group_env_vars = []