lavc: remove incorrect mapping between semantically incompatible error...

lavc: remove incorrect mapping between semantically incompatible error recognization values and flags.
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/utils.c

@@ -616,9 +616,6 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, AVCodec *codec, AVD
 
     av_log(avctx, AV_LOG_DEBUG, "err{or,}_recognition separate: %d; %d\n",
            avctx->error_recognition, avctx->err_recognition);
-    /* FF_ER_CAREFUL (==1) implies AV_EF_CRCCHECK (== 1<<1 - 1),
-       FF_ER_COMPLIANT (==2) implies AV_EF_{CRCCHECK,BITSTREAM} (== 1<<2 - 1), et cetera} */
-    avctx->err_recognition |= (1<<(avctx->error_recognition-(avctx->error_recognition>=FF_ER_VERY_AGGRESSIVE))) - 1;
     switch(avctx->error_recognition){
         case FF_ER_VERY_AGGRESSIVE:
         case FF_ER_AGGRESSIVE     : avctx->err_recognition |= AV_EF_AGGRESSIVE;