How to output just the Name and Status in drush listing modules
Using Drush 8 or Drush 9:

drush pm-list --fields=Name,Status


If you want to consume the output from another script, you might also want to consider:

drush pm-list --format=json


In that instance, all fields will appear in the output; however, since the output will be in json, it is easy to parse and then use only the fields of interest.