gplugin/gplugin

Remove commented-out old Meson code.
feature/meson
2017-06-01, Elliott Sales de Andrade
bc51c1a190ab
Remove commented-out old Meson code.
export GPLUGIN_VERSION=@GPLUGIN_MAJOR_VERSION@.@GPLUGIN_MINOR_VERSION@.@GPLUGIN_MICRO_VERSION@