avplay: remove the -er option.

Error recognition flags can and should be set directly with AVOptions.

avplay.c

@@ -251,7 +251,6 @@ static int idct = FF_IDCT_AUTO;
 static enum AVDiscard skip_frame       = AVDISCARD_DEFAULT;
 static enum AVDiscard skip_idct        = AVDISCARD_DEFAULT;
 static enum AVDiscard skip_loop_filter = AVDISCARD_DEFAULT;
-static int error_recognition = FF_ER_CAREFUL;
 static int error_concealment = 3;
 static int decoder_reorder_pts = -1;
 static int autoexit;
@@ -2187,7 +2186,6 @@ static int stream_component_open(VideoState *is, int stream_index)
     avctx->skip_frame        = skip_frame;
     avctx->skip_idct         = skip_idct;
     avctx->skip_loop_filter  = skip_loop_filter;
-    avctx->error_recognition = error_recognition;
     avctx->error_concealment = error_concealment;
     avctx->thread_count      = thread_count;
 
@@ -2992,7 +2990,6 @@ static const OptionDef options[] = {
     { "skipframe", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&skip_frame }, "", "" },
     { "skipidct", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&skip_idct }, "", "" },
     { "idct", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&idct }, "set idct algo",  "algo" },
-    { "er", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&error_recognition }, "set error detection threshold (0-4)",  "threshold" },
     { "ec", OPT_INT | HAS_ARG | OPT_EXPERT, { (void*)&error_concealment }, "set error concealment options",  "bit_mask" },
     { "sync", HAS_ARG | OPT_EXPERT, { (void*)opt_sync }, "set audio-video sync. type (type=audio/video/ext)", "type" },
     { "threads", HAS_ARG | OPT_EXPERT, { (void*)opt_thread_count }, "thread count", "count" },