remove ports that are not used anymore from docker-compose.yml #666

Job	Run time
Build Maven	4m 10s
Build Maven	2m 49s
Build Camunda Modeler Deployment Plugin	3m 30s
Build Camunda Modeler Deployment Plugin	13s
Build Camunda Modeler Plugin	5m 12s
Build Camunda Modeler Plugin	19s
Run Tests	0s
Run Tests	4m 41s
Run modeler tests	0s
Run modeler tests	1m 30s
Publish Release	0s
Publish Release	0s
	22m 24s

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