Disable apistub gen artifact gen for python pipeline (Azure#22877)

Author: praveenkuttappan

eng/pipelines/templates/steps/build-artifacts.yml

@@ -95,9 +95,9 @@ steps:
         --service="${{ parameters.ServiceDirectory }}" 
         --toxenv=sphinx
 
-  - template: /eng/pipelines/templates/steps/run_apistub.yml
-    parameters:
-      ServiceDirectory: ${{ parameters.ServiceDirectory }}
+  # - template: /eng/pipelines/templates/steps/run_apistub.yml
+  #   parameters:
+  #     ServiceDirectory: ${{ parameters.ServiceDirectory }}
 
   - ${{ parameters.BeforePublishSteps }}