Remove entry for step from ndistro.
Remove entry for step from ndistro.

Zhao-Qi/tilemill,Zhao-Qi/tilemill,mbrukman/tilemill,tilemill-project/tilemill,florianf/tileoven,MappingKat/tilemill,makinacorpus/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,nyimbi/tilemill,mbrukman/tilemill,Zhao-Qi/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,paulovieira/tilemill-clima,MappingKat/tilemill,nyimbi/tilemill,tizzybec/tilemill,paulovieira/tilemill-clima,mbrukman/tilemill,Zhao-Qi/tilemill,paulovieira/tilemill-clima,makinacorpus/tilemill,tizzybec/tilemill,fxtentacle/tilemill,tizzybec/tilemill,isaacs/tilemill,paulovieira/tilemill-clima,nyimbi/tilemill,fxtentacle/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,MappingKat/tilemill,MappingKat/tilemill,Teino1978-Corp/Teino1978-Corp-tilemill,florianf/tileoven,mbrukman/tilemill,fxtentacle/tilemill,nyimbi/tilemill,isaacs/tilemill,isaacs/tilemill,tizzybec/tilemill,nyimbi/tilemill,tizzybec/tilemill,tilemill-project/tilemill,fxtentacle/tilemill,tilemill-project/tilemill,mbrukman/tilemill,Zhao-Qi/tilemill,florianf/tileoven,paulovieira/tilemill-clima,Teino1978-Corp/Teino1978-Corp-tilemill,MappingKat/tilemill