fix: remove the , "--setParameter", "featureFlagSearchIndexes=true"

[lupppig]

Description

This PR removes the --setParameter featureFlagSearchIndexes=true flags from the Dockerfile.

Reason for Change

• The flags are no longer needed in the current setup.
• Improves maintainability by keeping only the necessary configurations.

Impact

• No breaking changes expected.
• Ensures the Docker container runs with the appropriate parameters.

Testing

• Built and ran the Docker container successfully without errors.

Checklist

• Code builds successfully
• No unintended side effects

Please review and let me know if any further modifications are required. 🚀