Removed set_inactive_boundaries.
Removed set_inactive_boundaries.

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