ghostpad: remove deprecated API
ghostpad: remove deprecated API

_internal_link_function() is deprecated and _iterate_internal_links_function()
is already provided.

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