emulators/flexemu: Update to 3.31

Changelog:	https://github.com/aladur/flexemu/compare/V3.30...V3.31

Reported by:	portscout, Repology
MFH:		2025Q4

emulators/flexemu: Fix pkg-plist, rm test target

- Add two missing entries in pkg-plist, thanks to diizzy@.
- Remove test target from Makefile for now. This is solved upstream
  for the next upcoming release.

PR:		289725
MFH:		2025Q4

*/*: Remove libtool dependency

None of these ports utilizes libtool
Build tested using Poudriere

Approved by:	blanket, build fix

emulators/flexemu: Update to 3.30

- Change from autotools to cmake
- Change from Qt5 to Qt6
- Compiler needs C++17
- Preparations for test target (not buildable atm.)

Changelog:	https://github.com/aladur/flexemu/commit/3b579e5014a2eb3a342b47c04047023cb9935a2b

Reported by:	portscout, Repology

emulators/flexemu: Update to 3.27

- Unix bugfix in binary: Flexemu desktop launcher does not work

While here, add ncurses as new dependency.

Reported by:	Wolfgang Schwotzer <wolfgang.schwotzer@gmx.net>

emulators/flexemu: Update to 3.26

New version with many improvements, bug fixes and especially
two fixes to build correctly under FreeBSD

Changelog: https://github.com/aladur/flexemu/compare/V3.22...V3.26

Reported by:	portscout, Repology

emulators/flexemu: Update to 3.22

Bugfix release

Changelog: https://github.com/aladur/flexemu/compare/V3.20...V3.22

Reported by:	portscout, Repology
MFH:		2024Q3

emulators/flexemu: Clean up port

- Reduce the dependencies used by the port
- Remove unfinished binaries
- Correct pkg-plist

Thanks for the hints from the author of the emulator.

Reported by:	Wolfgang Schwotzer <wolfgang.schwotzer@gmx.net>

emulators/flexemu: Add new port

Flexemu is a classic computer emulation based on the Motorola MC6809.
The operating system running on it is called FLEX. Several (cross)
assemblers, debugger, compilers, textprocessing systems, and even a
circuit board layout system and a videotext editing system are
available

https://flexemu.neocities.org/