Mongos does not support --noscripting

see https://jira.mongodb.org/browse/SERVER-33123

Author: asya999

source/reference/configuration-file-settings-command-line-options-mapping.txt

@@ -224,7 +224,6 @@ and :binary:`~bin.mongos` command-line options.
 
    * - :setting:`security.javascriptEnabled`
      - | :option:`mongod --noscripting`
-       | :option:`mongos --noscripting`
 
    * - :setting:`security.keyFile`
      - | :option:`mongod --keyFile`