Remove unused variables and update CHANGELOG

Author: mholttech

CHANGELOG.md

@@ -4,7 +4,7 @@
 - Add support for data_stream `lifecycle` template settings ([#724](https://github.com/elastic/terraform-provider-elasticstack/pull/724))
 - Fix a provider panic when `elasticstack_kibana_action_connector` reads a non-existant connector ([#729](https://github.com/elastic/terraform-provider-elasticstack/pull/729))
 - Add support for `remote_indicies` to `elasticstack_elasticsearch_security_role` & `elasticstack_kibana_security_role` (#723)[https://github.com/elastic/terraform-provider-elasticstack/pull/723]
-- Add support for global data tags in agent policy creation and update (#730)[https://github.com/elastic/terraform-provider-elasticstack/pull/730]
+- Added support for global data tags in agent policy creation and update. Upgraded the generated Fleet API to version 8.15.0. (#730)[https://github.com/elastic/terraform-provider-elasticstack/pull/730]
 
 ## [0.11.6] - 2024-08-20
 

internal/fleet/agent_policy_resource.go

@@ -289,16 +289,6 @@ func resourceAgentPolicyRead(ctx context.Context, d *schema.ResourceData, meta i
 		return diags
 	}
 
-	apiClient, diags := clients.NewApiClientFromSDKResource(d, meta)
-	if diags.HasError() {
-		return diags
-	}
-
-	serverVersion, diags := apiClient.ServerVersion(ctx)
-	if diags.HasError() {
-		return diags
-	}
-
 	agentPolicy, diags := fleet.ReadAgentPolicy(ctx, fleetClient, d.Id())
 	if diags.HasError() {
 		return diags