[Fix] Fix optim wrapper configs

.../deeplabv3/deeplabv3_r50-d8_480x480_40k_pascal_context.py

...eplabv3/deeplabv3_r50-d8_480x480_40k_pascal_context_59.py

.../deeplabv3/deeplabv3_r50-d8_480x480_80k_pascal_context.py

...eplabv3/deeplabv3_r50-d8_480x480_80k_pascal_context_59.py

...v3plus/deeplabv3plus_r50-d8_480x480_40k_pascal_context.py

...lus/deeplabv3plus_r50-d8_480x480_40k_pascal_context_59.py

...v3plus/deeplabv3plus_r50-d8_480x480_80k_pascal_context.py

...lus/deeplabv3plus_r50-d8_480x480_80k_pascal_context_59.py

configs/dnlnet/dnl_r50-d8_769x769_80k_cityscapes.py

configs/fastscnn/fast_scnn_lr0.12_8x4_160k_cityscapes.py

configs/fcn/fcn_r50-d8_480x480_40k_pascal_context.py

configs/fcn/fcn_r50-d8_480x480_40k_pascal_context_59.py

configs/fcn/fcn_r50-d8_480x480_80k_pascal_context.py

configs/fcn/fcn_r50-d8_480x480_80k_pascal_context_59.py

configs/hrnet/fcn_hr18_480x480_40k_pascal_context.py

configs/hrnet/fcn_hr18_480x480_40k_pascal_context_59.py

configs/hrnet/fcn_hr18_480x480_80k_pascal_context.py

configs/hrnet/fcn_hr18_480x480_80k_pascal_context_59.py

configs/pspnet/pspnet_r50-d8_480x480_40k_pascal_context.py

...igs/pspnet/pspnet_r50-d8_480x480_40k_pascal_context_59.py