Logger updates

[caguero]

🦟 Bug fix

Fixes the following issues:

• No need to register logger, it happens automatically.
• No EOL by default when logging.
• Avoid crash on shutdown. See Experimenting with spdlog gz-common#615

Summary

Checklist

• Signed all commits for DCO
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
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[iche033]

I confirm this fixes the crash and new line issue I noted in gazebosim/gz-common#615 (comment)