fix chatqna benchmark without rerank config issue (#1341)

Signed-off-by: chensuyue <suyue.chen@intel.com>

Author: chensuyue

ChatQnA/benchmark/performance/kubernetes/intel/gaudi/deploy.py

@@ -9,7 +9,6 @@
 import subprocess
 import sys
 
-import yaml
 from generate_helm_values import generate_helm_values
 
 

ChatQnA/benchmark/performance/kubernetes/intel/gaudi/generate_helm_values.py

@@ -38,6 +38,7 @@ def generate_helm_values(with_rerank, num_nodes, hf_token, model_dir, node_selec
         values["teirerank"] = {"nodeSelector": {key: value for key, value in node_selector.items()}}
     else:
         values["image"] = {"repository": "opea/chatqna-without-rerank"}
+        values["teirerank"] = {"enabled": False}
 
     default_replicas = [
         {"name": "chatqna", "replicaCount": 2},