hls: Removing useless test.

(cherry picked from commit 39ef23e2)
Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

modules/stream_filter/httplive.c

@@ -2454,7 +2454,7 @@ static int segment_Seek(stream_t *s, const uint64_t pos)
         length += segment->duration * (hls->bandwidth/8);
         vlc_mutex_unlock(&segment->lock);
 
-        if (!b_found && (pos <= length))
+        if (pos <= length)
         {
             if (count - n >= 3)
             {