Resolve "Investigate GitLab-CI services don't reach each other"

Description

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Related to #335

controller/controller.Dockerfile

@@ -20,8 +20,5 @@ COPY --from=builder /gosdn/controller/configs/integration-test-gosdn.toml ./conf
 COPY --from=builder /gosdn/controller/configs/containerlab-gosdn.toml.example ./configs/containerlab-gosdn.toml
 COPY --from=builder /gosdn/controller/configs/gNMISubscriptions.txt.example ./configs/gNMISubscriptions.txt
 
-COPY controller/start_controller_later.sh .
-RUN chmod +x start_controller_later.sh
-
 EXPOSE 55055 8080 40000
 ENTRYPOINT ["./gosdn"]