Removing lidar polling config param

[ChrisMcGowan]

Changes proposed in this pull request:

• Removing the lidar_scanner_interval property - it was a blocker for specific use cases and not offering any platform wide benefit - this was a primary Pages usage blocker
• By removing lidar_scanner_interval but keeping default_check_interval* resources in the config - we set default intervals for resource checks but allow specific resources to increase their interval using check_every in their resource definitions

security considerations

n/a

[ChrisMcGowan]

FYI - a manual deploy was done earlier this week to remove this setting