segment: remove removed api from the docs.
segment: remove removed api from the docs.

lubosz/gstreamer,justinjoy/gstreamer,cablelabs/gstreamer,krichter722/gstreamer,jpakkane/gstreamer,cablelabs/gstreamer,collects/gstreamer,surround-io/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,lovebug356/gstreamer,krichter722/gstreamer,lubosz/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,ensonic/gstreamer,jpakkane/gstreamer,collects/gstreamer,cablelabs/gstreamer,lovebug356/gstreamer,mparis/gstreamer,jpakkane/gstreamer,ensonic/gstreamer,jpakkane/gstreamer,mparis/gstreamer,Lachann/gstreamer,lubosz/gstreamer,jpxiong/gstreamer,Lachann/gstreamer,centricular/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,krieger-od/gstreamer,centricular/gstreamer,shelsonjava/gstreamer,shelsonjava/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,ensonic/gstreamer,krieger-od/gstreamer,justinjoy/gstreamer,mparis/gstreamer,centricular/gstreamer,lovebug356/gstreamer,StreamUtils/gstreamer,Lachann/gstreamer,krichter722/gstreamer,cablelabs/gstreamer,lubosz/gstreamer,krichter722/gstreamer,cfoch/gstreamer,lovebug356/gstreamer,justinjoy/gstreamer,krieger-od/gstreamer,centricular/gstreamer,centricular/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,StreamUtils/gstreamer,surround-io/gstreamer,collects/gstreamer,collects/gstreamer,jpxiong/gstreamer,surround-io/gstreamer,collects/gstreamer,mparis/gstreamer,justinjoy/gstreamer,Lachann/gstreamer,mparis/gstreamer,Lachann/gstreamer,cfoch/gstreamer,lubosz/gstreamer,ensonic/gstreamer,shelsonjava/gstreamer,justinjoy/gstreamer,surround-io/gstreamer,cfoch/gstreamer,jpxiong/gstreamer,cfoch/gstreamer,surround-io/gstreamer