GONRG-5398 Cleanup DAG Docker images (segy-to-zgy)

Type of change

• Bug Fix
• Feature

Does this introduce a change in the core logic?

• [Yes]

Does this introduce a change in the cloud provider implementation, if so which cloud?

• AWS
• Azure
• GCP
• IBM

Updates description?

Deleted 2 files in deployment/scripts/gcp

• Dockerfile
• bootstrap_segy_to_zgy.sh