DAOS-15943 test: Remove server logging from pre-teardown

[mjean308]

Skip-unit-tests: true
Skip-fault-injection-test: true
Test-tag: soak_smoke

Required-githooks: true
Skipped-githooks: flake,pylint

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[github-actions]

Ticket title is 'soak: improve server log collection'
Status is 'In Progress'
https://daosio.atlassian.net/browse/DAOS-15943

[daltonbohning]

Will need to address the lint errors
https://github.com/daos-stack/daos/actions/runs/11256119170
But otherwise LGTM