fix dancer import issues

Netdisco/bin/netdisco-daemon

@@ -1,6 +1,6 @@
 #!/usr/bin/env perl
 
-use Dancer ':script';
+use Dancer ':syntax :script';
 use Dancer::Plugin::DBIC 'schema';
 
 # add dispatch methods for each port control action
@@ -29,9 +29,6 @@ sub gd_preconfig {
     sleep_time => 5,
   };
 
-  # store for later access
-  var(nd_config => $config);
-
   return (); # important
 }