Revert "Fix code linter error" causing job submission failure on AWS Batch

[gmarciani]

This reverts commit 96d9d05.

The commit must be reverted because it causes consistent job submission failures with error:

CannotStartContainerError:
Error response from daemon: unable to find user root ENTRYPOINT [/parallelcluster/bin/entrypoint.sh]: no matching entries in passwd file

Description of changes

With this revetr the job submission succeeds.

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