Remove PyXML from spec file, it is not longer needed
Remove PyXML from spec file, it is not longer needed

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