Remove unused audio_pts field from ea demuxer struct

Originally committed as revision 18538 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavformat/electronicarts.c

@@ -69,8 +69,6 @@ typedef struct EaDemuxContext {
     int audio_stream_index;
     int audio_frame_counter;
 
-    int64_t audio_pts;
-
     int bytes;
     int sample_rate;
     int num_channels;