Mongo | Remove mongo migration code

[naveenpaul1]

Describe the Problem

Remove mongo migration code

Explain the Changes

1. remove src/upgrade/migration_to_postgres.js and asrc/upgrade/migrator.js
2. update test and src/test/unit_tests/test_postgres_upgrade.js

Issues: Fixed #xxx / Gap #xxx

1. remove unwanted code

Testing Instructions:

• Doc added/updated
• Tests added

Summary by CodeRabbit

• Chores
  • Removed all database migration utilities and related scripts for migrating from MongoDB to PostgreSQL.
• Tests
  • Deleted unit tests associated with the database migration process.

[coderabbitai]

Walkthrough

This change removes the entire database migration utility and its associated tests. Specifically, it deletes the migration logic for transferring data from MongoDB to PostgreSQL, the migrator class, and all related unit tests. Additionally, the shell script logic for invoking the migration has been eliminated.

Changes

File(s)	Change Summary
src/upgrade/migration_to_postgres.js, src/upgrade/migrator.js	Removed the migration utility and the Migrator class for MongoDB to PostgreSQL migration.
src/test/unit_tests/test_migration_to_postgres.js, src/test/unit_tests/test_postgres_upgrade.js	Deleted all unit tests related to the migration process.
src/deploy/NVA_build/noobaa_init.sh	Removed the migrate_dbs function and its invocation from the shell script.

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📜 Recent review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
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📥 Commits

Reviewing files that changed from the base of the PR and between bb57299 and 05df8f1.

📒 Files selected for processing (5)

• src/deploy/NVA_build/noobaa_init.sh (0 hunks)
• src/test/unit_tests/test_migration_to_postgres.js (0 hunks)
• src/test/unit_tests/test_postgres_upgrade.js (0 hunks)
• src/upgrade/migration_to_postgres.js (0 hunks)
• src/upgrade/migrator.js (0 hunks)

💤 Files with no reviewable changes (5)

• src/deploy/NVA_build/noobaa_init.sh
• src/test/unit_tests/test_postgres_upgrade.js
• src/test/unit_tests/test_migration_to_postgres.js
• src/upgrade/migration_to_postgres.js
• src/upgrade/migrator.js

⏰ Context from checks skipped due to timeout of 90000ms (1)

• GitHub Check: Summary

✨ Finishing Touches

• 📝 Generate Docstrings

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