net/radcli: update to 1.2.8

• Update radcli to 1.2.8
• Avoid running autoreconf twice
• Remove post-patch replacement (added upstream)

Changelog: https://github.com/radcli/radcli/releases/tag/1.2.8

PR: 220406
Submitted by: Jov <amutu@amutu.com> (maintainer)