gstreamer: Remove redundant stream/stream collection property getters
There are also actual functions for these and we had both enabled because the properties are missing the "Since: 1.10" markers.
Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
There are also actual functions for these and we had both enabled because the properties are missing the "Since: 1.10" markers.