Remove dependency on mitchellh/go-homedir.

[commiterate]

Describe the bug

mitchellh/go-homedir is no longer maintained.

It also introduces an unspecified dependency on sh and getent (code).

Switch to os.UserHomeDir() instead (docs).

Steps to reproduce

N/A

Expected outcome

amazon-ec2-metadata-mock removes the dependency on mitchellh/go-homedir + sh + getent so it's a completely self-contained binary.

Application Logs

N/A

Environment

• AEMM Version: 1.12.0
• OS/Arch: Linux
• Installation method: N/A

[github-actions]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. If you want this issue to never become stale, please ask a maintainer to apply the "stalebot-ignore" label.

[commiterate]

Not stale.