darwin: Stop using -Wno-unused-command-line-argument-hard-error-in-future
darwin: Stop using -Wno-unused-command-line-argument-hard-error-in-future

It's not supported by latest clang anymore and we should've fixed
all remaining problems now.

OptoFidelity/cerbero,brion/cerbero,ramaxlo/cerbero,centricular/cerbero,brion/cerbero,EricssonResearch/cerbero,nirbheek/cerbero-old,atsushieno/cerbero,nzjrs/cerbero,nzjrs/cerbero,justinjoy/cerbero,AlertMe/cerbero,OptoFidelity/cerbero,superdump/cerbero,EricssonResearch/cerbero,sdroege/cerbero,nirbheek/cerbero,EricssonResearch/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,GStreamer/cerbero,atsushieno/cerbero,AlertMe/cerbero,fluendo/cerbero,brion/cerbero,GStreamer/cerbero,fluendo/cerbero,centricular/cerbero,shoreflyer/cerbero,centricular/cerbero,GStreamer/cerbero,lubosz/cerbero,shoreflyer/cerbero,flexVDI/cerbero,justinjoy/cerbero,sdroege/cerbero,nirbheek/cerbero-old,brion/cerbero,AlertMe/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,flexVDI/cerbero,AlertMe/cerbero,jackjansen/cerbero,nirbheek/cerbero,ramaxlo/cerbero,multipath-rtp/cerbero,flexVDI/cerbero,ikonst/cerbero,lubosz/cerbero,jackjansen/cerbero,superdump/cerbero,nzjrs/cerbero,jackjansen/cerbero,centricular/cerbero,OptoFidelity/cerbero,nirbheek/cerbero,superdump/cerbero,OptoFidelity/cerbero,nirbheek/cerbero-old,nzjrs/cerbero,centricular/cerbero,multipath-rtp/cerbero,sdroege/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,atsushieno/cerbero,ford-prefect/cerbero,ikonst/cerbero,nirbheek/cerbero,GStreamer/cerbero,nzjrs/cerbero,fluendo/cerbero,flexVDI/cerbero,atsushieno/cerbero,fluendo/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,justinjoy/cerbero,brion/cerbero,ford-prefect/cerbero,EricssonResearch/cerbero,ford-prefect/cerbero,ramaxlo/cerbero,ikonst/cerbero,ramaxlo/cerbero,lubosz/cerbero,justinjoy/cerbero,ford-prefect/cerbero,ramaxlo/cerbero,nirbheek/cerbero-old,multipath-rtp/cerbero,flexVDI/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,shoreflyer/cerbero,multipath-rtp/cerbero,shoreflyer/cerbero,sdroege/cerbero,ikonst/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,ikonst/cerbero,multipath-rtp/cerbero,lubosz/cerbero,superdump/cerbero,jackjansen/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,fluendo/cerbero,atsushieno/cerbero,sdroege/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,AlertMe/cerbero