AggregatorPad is not actually a GhostPad

gst-plugin/src/aggregator_pad.rs

@@ -147,7 +147,6 @@ impl ObjectType for AggregatorPad {
     fn class_init(token: &ClassInitToken, klass: &mut AggregatorPadClass) {
         ObjectClassExt::override_vfuncs(klass, token);
         PadClassExt::override_vfuncs(klass, token);
-        GhostPadClassExt::override_vfuncs(klass, token);
         AggregatorPadClassExt::override_vfuncs(klass, token);
     }