[blueprint]python track2 configuration (#15278)

* Update readme.python.md

* Update readme.md

* Update readme.python.md

Author: msyyc

specification/blueprint/resource-manager/readme.md

@@ -62,7 +62,7 @@ swagger-to-sdk:
   - repo: azure-sdk-for-net
   - repo: azure-sdk-for-go
   - repo: azure-sdk-for-js
-  - repo: azure-sdk-for-python
+  - repo: azure-sdk-for-python-track2
   - repo: azure-resource-manager-schemas
 ```
 

specification/blueprint/resource-manager/readme.python.md

@@ -2,27 +2,22 @@
 
 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:
-  azure-arm: true
-  license-header: MICROSOFT_MIT_NO_VERSION
-  payload-flattening-threshold: 2
-  namespace: azure.mgmt.blueprint
-  package-name: azure-mgmt-blueprint
-  title: BlueprintManagementClient
-  description: The Blueprint Client.
-  clear-output-folder: true
+``` yaml $(track2)
+azure-arm: true
+license-header: MICROSOFT_MIT_NO_VERSION
+package-name: azure-mgmt-blueprint
+no-namespace-folders: true
+package-version: 1.0.0b1
+clear-output-folder: true
 ```
-``` yaml $(python) && $(python-mode) == 'update'
-python:
-  no-namespace-folders: true
-  output-folder: $(python-sdks-folder)/azure-mgmt-blueprint/azure/mgmt/blueprint
+
+``` yaml $(python-mode) == 'update' && $(track2)
+no-namespace-folders: true
+output-folder: $(python-sdks-folder)/blueprint/azure-mgmt-blueprint/azure/mgmt/blueprint
+```
+
+``` yaml $(python-mode) == 'create' && $(track2)
+basic-setup-py: true
+output-folder: $(python-sdks-folder)/blueprint/azure-mgmt-blueprint
 ```
-``` yaml $(python) && $(python-mode) == 'create'
-python:
-  basic-setup-py: true
-  output-folder: $(python-sdks-folder)/azure-mgmt-blueprint
-```