deps/win: Remove media foundation dep for ffmpeg

This caused a blender load error on windows N,
given we do not use these codecs they can safely
be disabled.

This will fix T90200 once the new libraries are
in SVN

build_files/build_environment/cmake/ffmpeg.cmake

@@ -30,6 +30,7 @@ if(WIN32)
     --enable-w32threads
     --disable-pthreads
     --enable-libopenjpeg
+    --disable-mediafoundation
   )
   if("${CMAKE_SIZEOF_VOID_P}" EQUAL "4")
     set(FFMPEG_EXTRA_FLAGS