Removed debugging doctests.
Removed debugging doctests.

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