[Synthetics] Optimise the data stored in the Fleet Policy

[paulb-elastic]

There are size limitations in Fleet that may cause problems when using Private Locations containing a lot of monitors, or a higher amount of configuration.

To help with this, there are optimisations we could make to remove unnecessary data in the agent policy.

ACs

• Audit the current data we store in the agent policy
• Identify is actually needed
• Remove the unnecessary data

[elasticmachine]

Pinging @elastic/obs-ux-infra_services-team (Team:obs-ux-infra_services)

[botelastic[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[elasticmachine]

Pinging @elastic/obs-ux-management-team (Team:obs-ux-management)