Remove Fleet Server policy_limit settings (#892) (#893)

(cherry picked from commit 4491b36)

Co-authored-by: David Kilfoyle <41695641+kilfoyle@users.noreply.github.com>

Author: mergify[bot]

docs/en/ingest-management/fleet/fleet-server-scaling.asciidoc

@@ -75,21 +75,13 @@ this setting may improve performance.
 `server.limits`::
 `policy_throttle`:::
 How often a new policy is rolled out to the agents.
-+
-Deprecated: Use the `policy_limit` settings instead.
 
 `action_limit.interval`:::
 How quickly {fleet-server} dispatches pending actions to the agents.
 
 `action_limit.burst`:::
 Burst of actions that may be dispatched before falling back to the rate limit defined by `interval`.
 
-`policy_limit.interval`:::
-How quickly {fleet-server} dispatches pending policies to the agents.
-
-`policy_limit.burst`:::
-Burst of pending policies that may be dispatched befoe falling back to the rate limit defined by `interval`.
-
 `checkin_limit.max`:::
 Maximum number of agents that can call the checkin API concurrently.