chore: remove all hypeman commands and dependency

- Remove cmd/hypeman directory with all hypeman subcommands
- Remove hypeman import and command registration from root.go
- Remove hypeman from auth exemption list
- Remove github.com/kernel/hypeman-go dependency from go.mod

Co-authored-by: Mason Williams <masnwilliams@users.noreply.github.com>

Author: cursoragent