Revert "Correct documentation template"

[withanage]

Revert server-settings.md to journal-settings.md

This commit reverts 157b5a73570b22d00dd9f38d1eeb488b2c54dee9. in https://github.com/pkp/ops/pull/605

because the better correction was applied in https://github.com/pkp/ops-user-guide/pull/6 to reflect context in OPS