lavc: revert broken hunk from 1cd9c81d

This should fix fate failures
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

libavcodec/utils.c

@@ -888,10 +888,7 @@ int attribute_align_arg avcodec_open2(AVCodecContext *avctx, const AVCodec *code
 
     if (codec->capabilities & CODEC_CAP_EXPERIMENTAL)
         if (avctx->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
-            av_log(avctx, AV_LOG_ERROR,
-                   "Codec %s is experimental but experimental codecs are not enabled: "
-                   "try the \"strict\" option with value \"experimental\"\n",
-                   avctx->codec->name);
+            av_log(avctx, AV_LOG_ERROR, "Codec is experimental but experimental codecs are not enabled, try -strict -2\n");
             ret = -1;
             goto free_and_end;
         }