Since lowres == crop for bmp, remove it to avoid confusion.

Originally committed as revision 26384 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/bmp.c

@@ -345,6 +345,5 @@ AVCodec bmp_decoder = {
     bmp_decode_end,
     bmp_decode_frame,
     CODEC_CAP_DR1,
-    .max_lowres = 5,
     .long_name = NULL_IF_CONFIG_SMALL("BMP image"),
 };