Revert "element: Call ->release_pad() to clean up pad"
Revert "element: Call ->release_pad() to clean up pad"

This commit changes the request pad behaviour for plugins and applications.

Reopens Bug #402562

The proper fix for that bug is to keep track of created request pads.

This reverts commit a5e44ffffaa6d7a8d7af8dcb77e37990996253a5.

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