Remove temporary licenses directory that hold csvs

Accidentally removed in 61d9e3b7

lib/omnibus/dependency_information.rb

@@ -59,6 +59,7 @@ module Omnibus
         end
       end
 
+      FileUtils.rm_rf(csv_dir)
       File.open(json_location, "w") do |f|
         f.write(JSON.pretty_generate(final_output))
       end