update metafiles (#661)

configs/ann/metafile.yml

configs/apcnet/metafile.yml

configs/ccnet/metafile.yml

configs/cgnet/metafile.yml

configs/danet/metafile.yml

configs/deeplabv3/metafile.yml

configs/deeplabv3plus/metafile.yml

configs/dmnet/metafile.yml

configs/dnlnet/metafile.yml

configs/emanet/metafile.yml

configs/encnet/metafile.yml

configs/fastscnn/metafile.yml

configs/fcn/metafile.yml

configs/fp16/metafile.yml

configs/gcnet/metafile.yml

configs/hrnet/metafile.yml

configs/mobilenet_v2/metafile.yml

configs/mobilenet_v3/metafile.yml

configs/nonlocal_net/metafile.yml

configs/ocrnet/metafile.yml