code: function configStripper (c) {
    return {
      DeadLetterConfig: c.DeadLetterConfig,
      Description: c.Description,
      Environment: c.Environment,
      Handler: c.Handler,
      MemorySize: c.MemorySize,
      Role: c.Role,
      Runtime: c.Runtime,
      Timeout: c.Timeout,
      TracingConfig: c.TracingConfig
    }
  }
docs: should beef this up for VpcConfig can only pass SecurityGroupIds and SubnetIds