chore: fix low hang go report card issues

[smsunarto]

Overview

This PR contains some low hanging fixes that easily gets the Go report card to A+

1.gofmt -s wants EOL char to be LF instead of CRLF

This is easily fixable by running gofmt -s -w .. However, the diff is ugly making it hard to check that nothing else is getting changed.

An easy way to see the actual diff is by checking out the branch and running git diff main --ignore-space-at-eol which will ignore the EOL change diff

2. Mispelling: Attemp -> Attempt

3. Remove an usused err assignment in a test