build-release: remove shell xtrace option
build-release: remove shell xtrace option

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