[Test Runner] Adds force: true to delete_trained_model in wipe_cluster

Author: picandocodigo

elasticsearch-api/api-spec-testing/wipe_cluster.rb

@@ -415,7 +415,7 @@ def delete_trained_models(client)
           return unless models['trained_model_configs']
 
           models['trained_model_configs'].each do |model|
-            client.ml.delete_trained_model(model_id: model['model_id'], ignore: 400)
+            client.ml.delete_trained_model(model_id: model['model_id'], force: true, ignore: 400)
           end
         end
       end