Fixing the elastic beanstalk config to work for the static images

[KenrickN1]

I kept getting the following error when trying to create my EB environment.

Invalid option specification (Namespace: 'aws:elasticbeanstalk:container:nodejs:staticfiles', OptionName: '/static'): Unknown configuration setting.

After making this change and repacking the zip the environment stood up correctly.

I removed the second option because if you read the docs that is the default option for a ProxyServer is nginx https://docs.aws.amazon.com/elasticbeanstalk/latest/dg/command-options-specific.html#command-options-nodejs