base-system: remove extra files left for testing
base-system: remove extra files left for testing

flexVDI/cerbero,AlertMe/cerbero,ford-prefect/cerbero,fluendo/cerbero,cee1/cerbero-mac,brion/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,davibe/cerbero,ikonst/cerbero,jackjansen/cerbero,atsushieno/cerbero,sdroege/cerbero,flexVDI/cerbero,jackjansen/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,cee1/cerbero-mac,multipath-rtp/cerbero,nzjrs/cerbero,OptoFidelity/cerbero,EricssonResearch/cerbero,BigBrother-International/gst-cerbero,lubosz/cerbero,BigBrother-International/gst-cerbero,ikonst/cerbero,OptoFidelity/cerbero,multipath-rtp/cerbero,lubosz/cerbero,nirbheek/cerbero,centricular/cerbero,sdroege/cerbero,atsushieno/cerbero,jackjansen/cerbero-2013,brion/cerbero,sdroege/cerbero,nirbheek/cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ikonst/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,justinjoy/cerbero,multipath-rtp/cerbero,atsushieno/cerbero,davibe/cerbero,AlertMe/cerbero,nzjrs/cerbero,cee1/cerbero-mac,BigBrother-International/gst-cerbero,centricular/cerbero,nirbheek/cerbero-old,ikonst/cerbero,fluendo/cerbero,GStreamer/cerbero,davibe/cerbero,lubosz/cerbero,flexVDI/cerbero,AlertMe/cerbero,centricular/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,AlertMe/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,BigBrother-International/gst-cerbero,fluendo/cerbero,superdump/cerbero,flexVDI/cerbero,nirbheek/cerbero,shoreflyer/cerbero,lubosz/cerbero,EricssonResearch/cerbero,EricssonResearch/cerbero,GStreamer/cerbero,atsushieno/cerbero,ylatuya/cerbero,OptoFidelity/cerbero,centricular/cerbero,sdroege/cerbero,nirbheek/cerbero,superdump/cerbero,EricssonResearch/cerbero,atsushieno/cerbero,freedesktop-unofficial-mirror/gstreamer-sdk__cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ramaxlo/cerbero,nzjrs/cerbero,justinjoy/cerbero,OptoFidelity/cerbero,GStreamer/cerbero,nirbheek/cerbero-old,shoreflyer/cerbero,sdroege/cerbero,centricular/cerbero,shoreflyer/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,BigBrother-International/gst-cerbero,nicolewu/cerbero,nirbheek/cerbero-old,jackjansen/cerbero-2013,justinjoy/cerbero,jackjansen/cerbero-2013,freedesktop-unofficial-mirror/gstreamer__cerbero,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,ford-prefect/cerbero,GStreamer/cerbero,ramaxlo/cerbero,nzjrs/cerbero,ford-prefect/cerbero,jackjansen/cerbero-2013,freedesktop-unofficial-mirror/gstreamer__sdk__cerbero,brion/cerbero,freedesktop-unofficial-mirror/gstreamer__cerbero,davibe/cerbero,ford-prefect/cerbero,fluendo/cerbero,ramaxlo/cerbero,superdump/cerbero,AlertMe/cerbero,shoreflyer/cerbero,ylatuya/cerbero,brion/cerbero,nicolewu/cerbero,shoreflyer/cerbero,ylatuya/cerbero,cee1/cerbero-mac,GStreamer/cerbero,nicolewu/cerbero,ramaxlo/cerbero,nirbheek/cerbero-old,multipath-rtp/cerbero,ramaxlo/cerbero,EricssonResearch/cerbero,jackjansen/cerbero,brion/cerbero,justinjoy/cerbero,superdump/cerbero,nzjrs/cerbero,flexVDI/cerbero,ylatuya/cerbero,jackjansen/cerbero-2013,jackjansen/cerbero,multipath-rtp/cerbero,ikonst/cerbero,fluendo/cerbero