remove extraneous configurations

Author: uchida

workflow.yml

@@ -13,17 +13,11 @@ objects:
     argumenttype: 1
     escaping: 0
     keyword: audio
-    queuedelaycustom: 3
-    queuedelayimmediatelyinitially: false
-    queuedelaymode: 0
-    queuemode: 1
     script: !include 'filter'
     title: Switch audio device
-    withspace: false
   type: alfred.workflow.input.scriptfilter
   uid: filter
 - config:
-    concurrently: false
     escaping: 0
     script: !include 'switch'
   type: alfred.workflow.action.script