remove subworkflow_str
remove subworkflow_str

wgerlach/AWE,wgerlach/AWE,wgerlach/AWE,wgerlach/AWE,teharrison/AWE,MG-RAST/AWE,teharrison/AWE,teharrison/AWE,MG-RAST/AWE,MG-RAST/AWE,wgerlach/AWE,teharrison/AWE,teharrison/AWE,MG-RAST/AWE,MG-RAST/AWE,wgerlach/AWE,teharrison/AWE,MG-RAST/AWE