debug raw_gff3

raw_inputs/raw_gff3.yaml

 {
   name: raw_gff3,
-  function_call: "raw_gff3(config['results_dir'], config['popmap_file'])",
+  function_call: "raw_gff3(config['results_dir'], config['gff_file'])",
   options: [
     {
       name: "gff_file",