Remove old instance url. Use wendelin.io production.

ebulk-data/embulk-wendelin-dataset-tool/lib/embulk/dataset_utils.rb

@@ -7,7 +7,7 @@ require 'open-uri'
 class DatasetUtils
 
   begin
-    uri = URI(URI.escape("https://softinst104003.host.vifib.net/erp5/getIngestionConstantsJson"))
+    uri = URI(URI.escape("https://wendelin.io/getIngestionConstantsJson"))
     res = open(uri).read
     json = JSON.parse(res)
     EOF = json['split_end_suffix']