* Always build with ICU support
* Remove DEBUG menu option, use ports framework instead
* Always enable IPv6, kernel support is always enabled
* Always enable Python module as Python is already a hard dependency
* Do some small layout enhancements to port Makefile
This also aligns it more with other distros that packages znc
PR: 281346
Approved by: portmgr (maintainer timeout, 2+ weeks)
26fb50b82a