fix(video): remove frame flushing on destruction to avoid segfault due to racecondition

Author: Kishi85

src/video.cpp

@@ -318,12 +318,6 @@ namespace video {
     avcodec_encode_session_t(avcodec_encode_session_t &&other) noexcept = default;
 
     ~avcodec_encode_session_t() {
-      // Flush any remaining frames in the encoder
-      if (avcodec_send_frame(avcodec_ctx.get(), nullptr) == 0) {
-        packet_raw_avcodec pkt;
-        while (avcodec_receive_packet(avcodec_ctx.get(), pkt.av_packet) == 0);
-      }
-
       // Order matters here because the context relies on the hwdevice still being valid
       avcodec_ctx.reset();
       device.reset();