Changed the name of deprecated-flags build option to match the one
in nemo and set it to false by default like it was before the meson port.
Also added descriptions. Following the style guidelines here:
https://wiki.gnome.org/Initiatives/GnomeGoals/MesonPorting
Changed the name of deprecated-flags build option to match the one in nemo and set it to false by default like it was before the meson port. Also added descriptions. Following the style guidelines here: https://wiki.gnome.org/Initiatives/GnomeGoals/MesonPorting