check: remove some cruft from header file
check: remove some cruft from header file

Remove some cruft from the gstcheck header file that's not needed
any longer now that we ship with our own copy of libcheck.

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