Few a few minor things

[jtraglia]

📝 Summary

• Remove some unused variables.
• Rename variable to fix possible variable/package name collision.
• Remove some unnecessary type casts.

⛱ Motivation and Context

I like to fix the small things too.

---

✅ I have run these commands

• make lint
• make test-race
• go mod tidy

[codecov-commenter]

Codecov Report

Merging #361 (4704470) into main (dd1f822) will not change coverage.
The diff coverage is 0.00%.

@@           Coverage Diff           @@
##             main     #361   +/-   ##
=======================================
  Coverage   81.88%   81.88%           
=======================================
  Files           5        5           
  Lines         679      679           
=======================================
  Hits          556      556           
  Misses         94       94           
  Partials       29       29           

Flag	Coverage Δ
unittests	81.88% <0.00%> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
server/service.go	80.00% <0.00%> (ø)

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

[metachris]

Thanks! 🧹