Update readme.python.md (Azure#22547)

Author: msyyc

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

@@ -1,42 +1,22 @@
 ## Python
 
-These settings apply only when `--track2` is specified on the command line.
+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>`.
 
 ``` yaml $(python)
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
 package-name: azure-mgmt-commerce
+namespace: azure.mgmt.commerce
 package-version: 1.0.0b1
-no-namespace-folders: true
-```
-
-### Python multi-api
-
-Generate all API versions currently shipped for this package
-
-```yaml $(python)
-multiapi: true
-default-api-version: 2015-06-01-preview
 clear-output-folder: true
-batch:
-  - tag: package-2015-06-preview
-  - multiapiscript: true
 ```
 
-``` yaml $(multiapiscript)
-output-folder: $(python-sdks-folder)/commerce/azure-mgmt-commerce/azure/mgmt/commerce/
-perform-load: false
+``` yaml $(python)
+no-namespace-folders: true
+output-folder: $(python-sdks-folder)/commerce/azure-mgmt-commerce/azure/mgmt/commerce
 ```
 
-### Tag: package-2015-06-preview and python
-
-These settings apply only when `--tag=package-2015-06-preview --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>`.
-
-``` yaml $(tag) == 'package-2015-06-preview'
-namespace: azure.mgmt.commerce.v2015_06_01_preview
-output-folder: $(python-sdks-folder)/commerce/azure-mgmt-commerce/azure/mgmt/commerce/v2015_06_01_preview
-```
 
 ``` yaml $(python)
 modelerfour: