- Remove 0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch

The patch no longer works with the current SVT-AV1 package
  (b4ca700d36c9655e37e9f091bfe983a23ec0c1bd)

add change entries
    [boo#1133153, boo#1133155, CVE-2019-11338, CVE-2019-11339]

OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-4?expand=0&rev=59

ffmpeg-4.spec

@@ -115,8 +115,6 @@ Source99:       baselibs.conf
 Patch2:         ffmpeg-arm6l.diff
 Patch3:         ffmpeg-new-coder-errors.diff
 Patch4:         ffmpeg-codec-choice.diff
-# from https://github.com/OpenVisualCloud/SVT-AV1/blob/master/ffmpeg_plugin/
-Patch5:         0001-Add-ability-for-ffmpeg-to-run-svt-av1.patch
 # dav1d added https://patchwork.ffmpeg.org/patch/10843/
 Patch6:         ffmpeg-avcodec-libdav1d-AV1-decoder-wrapper.patch
 BuildRequires:  ladspa-devel
@@ -125,9 +123,6 @@ BuildRequires:  libmp3lame-devel
 %if %{with mysofa}
 BuildRequires:  libmysofa-devel
 %endif
-%ifarch x86_64
-BuildRequires:  pkgconfig(SvtAv1Enc)
-%endif
 BuildRequires:  nasm
 BuildRequires:  pkg-config
 BuildRequires:  pkgconfig(alsa)
@@ -634,9 +629,6 @@ CFLAGS="%optflags" \
 	--enable-libssh \
 %if %{with srt}
 	--enable-libsrt \
-%endif
-%ifarch x86_64
-	--enable-libsvtav1 \
 %endif
 	--enable-libtheora \
 	--enable-libtwolame \