Always encodee INI files as utf-8 in Qt6. This is mostly backwards
compatible, as old ini files would encode all non ascii characters.
[ChangeLog][Important behavioral changes] QSettings will now always
encode INI files as utf-8 (and the iniCodec/setIniCode methods are
removed). This is a change from Qt 5 and earlier, where QSettings would
by default escape all non ascii characters. The behavior is equivalent to
what you got in Qt5 by setting a utf-8 iniCodec on the settings object.
Settings files written in Qt 5 will still be readable in Qt 6 (unless
an iniCodec different from utf-8 was used), but to read Qt6 based ini
files in Qt 5 applications, setting the iniCodec to utf-8 is required.
Change-Id: Ic7dffcca17779bd5e3dae50d42ce633170289f6c
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
Reviewed-by: Alex Blasche <alexander.blasche@qt.io>
a383d79772