Removed create_node_array_zeros method.
Removed create_node_array_zeros method.

Carralex/landlab,ManuSchmi88/landlab,RondaStrauch/landlab,csherwood-usgs/landlab,amandersillinois/landlab,RondaStrauch/landlab,Carralex/landlab,landlab/landlab,SiccarPoint/landlab,Carralex/landlab,laijingtao/landlab,amandersillinois/landlab,RondaStrauch/landlab,csherwood-usgs/landlab,ManuSchmi88/landlab,landlab/landlab,cmshobe/landlab,cmshobe/landlab,landlab/landlab,ManuSchmi88/landlab,laijingtao/landlab,SiccarPoint/landlab,cmshobe/landlab