PAR-23735: Execution Engine Config Fix

Addresses PAR-23735.

The old execution engine configs had trailing commas that caused parsing errors.

To reproduce:

1. Create a configuration file with the old example
2. Create a docker compose file per the Partisia documentation
3. Attempt to run docker compose -f .\compose.yaml up -d from the correct directory with respect to your configuration file
4. View the error messages with docker logs ee-node1 --follow

The expected error message will look like

It says "expecting double-quote to start field name" because the parser is expecting another field name after the trailing comma.