Removed auto-generated modules.rst.
Removed auto-generated modules.rst.

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