Revert "Rebuilt for new ffmpeg snapshot"

This reverts commit 92784180e4.

gstreamer1-libav.spec

@@ -4,7 +4,7 @@
 Name:           gstreamer1-libav
 Epoch:          1
 Version:        1.19.3
-Release:        2%{?dist}
+Release:        1%{?dist}
 Summary:        GStreamer 1.0 libav-based plug-ins
 License:        LGPLv2+
 URL:            https://gstreamer.freedesktop.org/
@@ -76,9 +76,6 @@ plug-in.
 %endif
 
 %changelog
-* Mon Nov 15 2021 Sérgio Basto <sergio@serjux.com> - 1:1.19.3-2
-- Rebuilt for new ffmpeg snapshot
-
 * Mon Nov 15 2021 Sérgio Basto <sergio@serjux.com> - 1:1.19.3-1
 - Update gstreamer1-libav to 1.19.3