Fix QnAMaker Python conf (Azure#8741)

specification/cognitiveservices/data-plane/QnAMaker/readme.python.md

@@ -4,23 +4,19 @@ These settings apply only when `--python` is specified on the command line.
 Please also specify `--python-sdks-folder=<path to the root directory of your azure-sdk-for-python clone>`.
 Use `--python-mode=update` if you already have a setup.py and just want to update the code itself.
 
-``` yaml $(python)
-python-mode: create
-python:
-  license-header: MICROSOFT_MIT_NO_VERSION
-  add-credentials: true
-  payload-flattening-threshold: 2
-  namespace: azure.cognitiveservices.knowledge.qnamaker
-  package-name: azure-cognitiveservices-knowledge-qnamaker
-  clear-output-folder: true
+``` yaml
+license-header: MICROSOFT_MIT_NO_VERSION
+add-credentials: true
+payload-flattening-threshold: 2
+package-name: azure-cognitiveservices-knowledge-qnamaker
+no-namespace-folders: true
+clear-output-folder: true
 ```
-``` yaml $(python) && $(python-mode) == 'update'
-python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/cognitiveservices/azure-cognitiveservices-knowledge-qnamaker/azure/cognitiveservices/knowledge/qnamaker
+``` yaml $(tag) == 'release_4_0'
+namespace: azure.cognitiveservices.knowledge.qnamaker.authoring
+output-folder: $(python-sdks-folder)/cognitiveservices/azure-cognitiveservices-knowledge-qnamaker/azure/cognitiveservices/knowledge/qnamaker/authoring
 ```
-``` yaml $(python) && $(python-mode) == 'create'
-python:
-  basic-setup-py: true
-  output-folder: $(python-sdks-folder)/cognitiveservices/azure-cognitiveservices-knowledge-qnamaker
+``` yaml $(tag) == 'runtime_release_4_0'
+namespace: azure.cognitiveservices.knowledge.qnamaker.runtime
+output-folder: $(python-sdks-folder)/cognitiveservices/azure-cognitiveservices-knowledge-qnamaker/azure/cognitiveservices/knowledge/qnamaker/runtime
 ```