agnosticbin2: Remove target pad when a pad is added to queue
agnosticbin2: Remove target pad when a pad is added to queue

Change-Id: I0b2bf9057a51b2b077511f706e7fa344607701b5

ESTOS/kms-core,Kurento/kms-core,TribeMedia/kms-core,TribeMedia/kms-core,KurentoLegacy/gst-kurento-plugins,shelsonjava/kms-core,shelsonjava/kms-core,KurentoLegacy/gst-kurento-plugins,TribeMedia/kms-core,KurentoLegacy/gst-kurento-plugins,shelsonjava/kms-core,Kurento/kms-core,Kurento/kms-core,ESTOS/kms-core,Kurento/kms-core,ESTOS/kms-core,TribeMedia/kms-core,shelsonjava/kms-core,ESTOS/kms-core,KurentoLegacy/gst-kurento-plugins