lavf/ffmdec: reident after last commit

Signed-off-by: Lukasz Marek <lukasz.m.luki2@gmail.com>

libavformat/ffmdec.c

@@ -301,7 +301,6 @@ static int ffm2_read_header(AVFormatContext *s)
                     return AVERROR(ENOMEM);
             }
             break;
-            //TODO: reident
         case MKBETAG('S', 'T', 'V', 'I'):
             if (f_stvi++) {
                 ret = AVERROR(EINVAL);