Update docs with latest info from Datadog.

docs/analysis/datadog.md

@@ -46,9 +46,6 @@ stringData:
 
 ### Working with Datadog API v2
 
-!!! note
-    Datadog is moving away from the legacy v1 API. Rate limits imposed by Datadog are therefore stricter when using v1. It is recommended to switch to v2 soon.
-
 #### Moving to v2
 
 If your old v1 was just a simple metric query - no formula as part of the query - then you can just move to v2 by updating the `apiVersion` in your existing Analysis Template, and everything should work.
@@ -172,3 +169,9 @@ metrics:
         queries:
           q: "{{ `max:kubernetes.containers.restarts{kube_app_name:{{args.kube_app_name}},rollouts_pod_template_hash:{{args.canary-hash}}}` }}"
 ```
+
+#### Rate Limits
+
+For the `v1` API, you ask for an increase on the `api/v1/query` route.
+
+Fgor the `v2` API, the Ratelimit-Name you ask for an increase in is the `query_scalar_public`.