flvdemux: Don't forward CAPS events from upstream
flvdemux: Don't forward CAPS events from upstream

Just use the default pad event handler.

https://bugzilla.gnome.org/show_bug.cgi?id=701976

Distrotech/gst-plugins-good,Distrotech/gst-plugins-good,Distrotech/gst-plugins-good,Distrotech/gst-plugins-good,Distrotech/gst-plugins-good