Remove unused keyword from EKS provision service

app/services/clusters/aws/provision_service.rb

@@ -38,8 +38,7 @@ module Clusters
       def credentials
         @credentials ||= Clusters::Aws::FetchCredentialsService.new(
           provision_role,
-          provider: provider,
-          region: provider.region
+          provider: provider
         ).execute
       end
 

changelogs/unreleased/121751-new-eks-cluster-results-in-error-unknown-keyword-region.yml

+---
+title: Remove unused keyword from EKS provision service
+merge_request: 22633
+author:
+type: fixed

spec/services/clusters/aws/provision_service_spec.rb

@@ -35,7 +35,7 @@ describe Clusters::Aws::ProvisionService do
 
     before do
       allow(Clusters::Aws::FetchCredentialsService).to receive(:new)
-        .with(provision_role, provider: provider, region: provider.region)
+        .with(provision_role, provider: provider)
         .and_return(double(execute: credentials))
 
       allow(provider).to receive(:api_client)