decoder: delegate surface size check to VA context reset.
decoder: delegate surface size check to VA context reset.

Now that the surface pool is reference counted in the surface proxy wrapper,
we can safely ignore surface size checks in gst_vaapi_decoder_ensure_context().
Besides, this check is already performed in gst_vaapi_context_reset_full().

ceyusa/gstreamer-vaapi,01org/iotg-lin-gfx-gstreamer-vaapi,gbeauchesne/gstreamer-vaapi,CapOM/gstreamer-vaapi,gbeauchesne/gstreamer-vaapi,gbeauchesne/gstreamer-vaapi,CapOM/gstreamer-vaapi,GStreamer/gstreamer-vaapi,01org/iotg-lin-gfx-gstreamer-vaapi,01org/iotg-lin-gfx-gstreamer-vaapi,CapOM/gstreamer-vaapi,GStreamer/gstreamer-vaapi,ceyusa/gstreamer-vaapi