lavf: remove generic index flag from text subtitles.

This flag is not necessary.

libavformat/jacosubdec.c

@@ -267,5 +267,4 @@ AVInputFormat ff_jacosub_demuxer = {
     .read_packet    = jacosub_read_packet,
     .read_seek2     = jacosub_read_seek,
     .read_close     = jacosub_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
 };

libavformat/microdvddec.c

@@ -164,5 +164,4 @@ AVInputFormat ff_microdvd_demuxer = {
     .read_packet    = microdvd_read_packet,
     .read_seek2     = microdvd_read_seek,
     .read_close     = microdvd_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
 };

libavformat/realtextdec.c

@@ -149,6 +149,5 @@ AVInputFormat ff_realtext_demuxer = {
     .read_packet    = realtext_read_packet,
     .read_seek2     = realtext_read_seek,
     .read_close     = realtext_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "rt",
 };

libavformat/samidec.c

@@ -133,6 +133,5 @@ AVInputFormat ff_sami_demuxer = {
     .read_packet    = sami_read_packet,
     .read_seek2     = sami_read_seek,
     .read_close     = sami_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "smi,sami",
 };

libavformat/srtdec.c

@@ -158,5 +158,4 @@ AVInputFormat ff_srt_demuxer = {
     .read_packet = srt_read_packet,
     .read_seek2  = srt_read_seek,
     .read_close  = srt_read_close,
-    .flags       = AVFMT_GENERIC_INDEX,
 };

libavformat/subviewerdec.c

@@ -179,6 +179,5 @@ AVInputFormat ff_subviewer_demuxer = {
     .read_packet    = subviewer_read_packet,
     .read_seek2     = subviewer_read_seek,
     .read_close     = subviewer_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "sub",
 };

libavformat/webvttdec.c

@@ -192,6 +192,5 @@ AVInputFormat ff_webvtt_demuxer = {
     .read_packet    = webvtt_read_packet,
     .read_seek2     = webvtt_read_seek,
     .read_close     = webvtt_read_close,
-    .flags          = AVFMT_GENERIC_INDEX,
     .extensions     = "vtt",
 };