chore: use time.Since instead of time.Now().Sub

[asamuj]

Related Issues

Proposed Changes

Additional Info

Checklist

Before you mark the PR ready for review, please make sure that:

• Commits have a clear commit message.
• PR title conforms with contribution conventions
• Update CHANGELOG.md or signal that this change does not need it per contribution conventions
• New features have usage guidelines and / or documentation updates in
  • Lotus Documentation
  • Discussion Tutorials
• Tests exist for new functionality or change in behavior
• CI is green

[rvagg]

Thanks for this @asamuj, some nice cleanups in here. I have a local branch with all of these time.Since fixes, but I was also working my way through some additional staticcheck complaints before I bothered pushing it, but you beat me to this!
My only request is to wind back the 0 -> 0o changes you've made, otherwise I'm happy with this.

[rvagg]

👌 nice, thanks