python310Packages.get-video-properties: remove vulnerable binaries

We patched out their usage, but never removed the binaries from the
package.

A good time to migrate the package to the headless version of ffmpeg.

pkgs/development/python-modules/get-video-properties/default.nix

@@ -1,7 +1,7 @@
 { lib
 , buildPythonPackage
 , fetchFromGitHub
-, ffmpeg
+, ffmpeg-headless
 }:
 
 buildPythonPackage rec {
@@ -20,7 +20,10 @@ buildPythonPackage rec {
 
   postPatch = ''
     substituteInPlace videoprops/__init__.py \
-      --replace "which('ffprobe')" "'${ffmpeg}/bin/ffprobe'"
+      --replace "which('ffprobe')" "'${ffmpeg-headless}/bin/ffprobe'"
+
+    # unused and vulnerable to various CVEs
+    rm -r videoprops/binary_dependencies
   '';
 
   pythonImportsCheck = [ "videoprops" ];