flvdec: Disable metadatacreator "MEGA" hack

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavformat/flvdec.c

@@ -143,18 +143,6 @@ static int parse_keyframes_index(AVFormatContext *s, AVIOContext *ioc, AVStream
     int64_t *filepositions = NULL;
     int ret = AVERROR(ENOSYS);
     int64_t initial_pos = avio_tell(ioc);
-    AVDictionaryEntry *creator = av_dict_get(s->metadata, "metadatacreator",
-                                             NULL, 0);
-
-    if (creator && !strcmp(creator->value, "MEGA")) {
-        /* Files with this metadatacreator tag seem to have filepositions
-         * pointing at the 4 trailer bytes of the previous packet,
-         * which isn't the norm (nor what we expect here, nor what
-         * jwplayer + lighttpd expect, nor what flvtool2 produces).
-         * Just ignore the index in this case, instead of risking trying
-         * to adjust it to something that might or might not work. */
-        return 0;
-    }
 
     if(vstream->nb_index_entries>0){
         av_log(s, AV_LOG_WARNING, "Skiping duplicate index\n");