Clean up some old cruft related to Windows

When Who What
2020-02-20 07:16:59 Michael Paquier (michael-kun) Closed in commitfest 2020-03 with status: Committed
2020-02-20 07:16:59 Michael Paquier (michael-kun) Changed committer to michael-kun
2020-02-18 07:46:05 Michael Paquier (michael-kun) Changed authors to Michael Paquier (michael-kun)
2020-02-18 07:46:05 Michael Paquier (michael-kun) Changed targetversion to 13
2020-02-18 07:45:56 Michael Paquier (michael-kun) Attached mail thread 20191219021526.GC4202@paquier.xyz
2020-02-18 07:45:56 Michael Paquier (michael-kun) Created patch record