avformat/hlsenc: remove unnecessary http/https shutdown status operate

Fix ticket: 9010
there have been get http/https shutdown status in ffurl_shutdown.
so unnecessary http/https shutdown status operate.

Tested-by: RytoEX
Tested-by: ushadow
Signed-off-by: Steven Liu <lq@chinaffmpeg.org>

libavformat/hlsenc.c

@@ -317,8 +317,7 @@ static int hlsenc_io_close(AVFormatContext *s, AVIOContext **pb, char *filename)
         URLContext *http_url_context = ffio_geturlcontext(*pb);
         av_assert0(http_url_context);
         avio_flush(*pb);
-        ffurl_shutdown(http_url_context, AVIO_FLAG_WRITE);
+        ret = ffurl_shutdown(http_url_context, AVIO_FLAG_WRITE);
-        ret = ff_http_get_shutdown_status(http_url_context);
 #endif
     }
     return ret;