remove cothreads from the Makefile.am
remove cothreads from the Makefile.am

Original commit message from CVS:
remove cothreads from the Makefile.am

lubosz/gstreamer,ylatuya/gstreamer,drothlis/gstreamer,jpakkane/gstreamer,mrchapp/gstreamer,justinjoy/gstreamer,ensonic/gstreamer,StreamUtils/gstreamer,shelsonjava/gstreamer,drothlis/gstreamer,lovebug356/gstreamer,Lachann/gstreamer,krieger-od/gstreamer,Distrotech/gstreamer,ensonic/gstreamer,centricular/gstreamer,justinjoy/gstreamer,mrchapp/gstreamer,cfoch/gstreamer,drothlis/gstreamer,mparis/gstreamer,Lachann/gstreamer,StreamUtils/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,magcius/gstreamer,mrchapp/gstreamer,krieger-od/gstreamer,cablelabs/gstreamer,krieger-od/gstreamer,lovebug356/gstreamer,centricular/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,ahmedammar/platform_external_gst_gstreamer,drothlis/gstreamer,StreamUtils/gstreamer,cablelabs/gstreamer,mparis/gstreamer,ylatuya/gstreamer,Lachann/gstreamer,drothlis/gstreamer,mrchapp/gstreamer,shelsonjava/gstreamer,ylatuya/gstreamer,krichter722/gstreamer,mparis/gstreamer,cablelabs/gstreamer,Distrotech/gstreamer,ensonic/gstreamer,cfoch/gstreamer,collects/gstreamer,centricular/gstreamer,ahmedammar/platform_external_gst_gstreamer,Distrotech/gstreamer,shelsonjava/gstreamer,jpxiong/gstreamer,ahmedammar/platform_external_gst_gstreamer,magcius/gstreamer,jpakkane/gstreamer,surround-io/gstreamer,Distrotech/gstreamer,jpxiong/gstreamer,shelsonjava/gstreamer,StreamUtils/gstreamer,krichter722/gstreamer,jpxiong/gstreamer,mparis/gstreamer,lubosz/gstreamer,mparis/gstreamer,cfoch/gstreamer,surround-io/gstreamer,centricular/gstreamer,lubosz/gstreamer,cfoch/gstreamer,StreamUtils/gstreamer,cfoch/gstreamer,jpakkane/gstreamer,justinjoy/gstreamer,lovebug356/gstreamer,magcius/gstreamer,shelsonjava/gstreamer,lovebug356/gstreamer,ensonic/gstreamer,collects/gstreamer,surround-io/gstreamer,cablelabs/gstreamer,Lachann/gstreamer,magcius/gstreamer,krichter722/gstreamer,surround-io/gstreamer,centricular/gstreamer,jpxiong/gstreamer,magcius/gstreamer,cablelabs/gstreamer,ylatuya/gstreamer,collects/gstreamer,justinjoy/gstreamer,mrchapp/gstreamer,justinjoy/gstreamer,lubosz/gstreamer,ylatuya/gstreamer,ensonic/gstreamer,lovebug356/gstreamer,ahmedammar/platform_external_gst_gstreamer,Distrotech/gstreamer,collects/gstreamer,krichter722/gstreamer,krieger-od/gstreamer,collects/gstreamer,Lachann/gstreamer,ahmedammar/platform_external_gst_gstreamer,lubosz/gstreamer,jpakkane/gstreamer,krieger-od/gstreamer