Revert "Rebuilt for new ffmpeg snapshot"

This reverts commit 3c02c2c2f2.

gstreamer1-libav.spec

@@ -4,7 +4,7 @@
 Name:           gstreamer1-libav
 Epoch:          1
 Version:        1.19.2
-Release:        2%{?dist}
+Release:        1%{?dist}
 Summary:        GStreamer 1.0 libav-based plug-ins
 License:        LGPLv2+
 URL:            https://gstreamer.freedesktop.org/
@@ -73,9 +73,6 @@ plug-in.
 %endif
 
 %changelog
-* Thu Nov 11 2021 Leigh Scott <leigh123linux@gmail.com> - 1:1.19.2-2
-- Rebuilt for new ffmpeg snapshot
-
 * Sat Oct 09 2021 Sérgio Basto <sergio@serjux.com> - 1:1.19.2-1
 - Update gstreamer1-libav to 1.19.2