plugin not to create file

dream/plugins/PostProcessDemandPlanning.py

@@ -14,8 +14,4 @@ class PostProcessDemandPlanning(plugin.OutputPreparationPlugin):
       'mime_type': 'application/vnd.ms-excel',
       'data': G.reportResults.xlsx.encode('base64')
     }
-    import json
-    utilisationString=json.dumps(G.Utilisation, indent=5)
-    outputJSONFile=open('Utilisation.json', mode='w')
-    outputJSONFile.write(utilisationString)
     return data