refactor: return nil as i've no idea what that is doing

distribusi.go

@@ -252,7 +252,7 @@ func distribusify(c *cli.Context, root string, ignore []string) error {
 			contents, err := ioutil.ReadDir(absPath)
 			if err != nil {
 				logrus.Debugf("unable to read %s", absPath)
-				return filepath.SkipDir
+				return nil
 			}
 
 			for _, content := range contents {