dbus-glib: remove dbus-glib-bindings.h from previous builds
dbus-glib: remove dbus-glib-bindings.h from previous builds

Fix: #61474
On windows, if this file exists the build fails because
the dbus-glib-bindings.h.tmp can't be renamed to this existing
file.

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