message: update readme python
diff: These settings apply only when `--python` is specified on the command line.
  -```yaml $(python) && $(track2)
  +```yaml $(python)
  azure-arm: true
  license-header: MICROSOFT_MIT_NO_VERSION
  package-name: azure-mgmt-containerservice
  @@ -15,7 +15,7 @@ no-namespace-folders: true
  Generate all API versions currently shipped for this package
  -```yaml $(python) && $(multiapi) && $(track2)
  +```yaml $(python) && $(multiapi)
  batch:
  - tag: package-preview-2022-02
  - tag: package-2022-01
  @@ -55,7 +55,6 @@ batch:
  ``` yaml $(multiapiscript)
  output-folder: $(python-sdks-folder)/containerservice/azure-mgmt-containerservice/azure/mgmt/containerservice/
  -clear-output-folder: false
  perform-load: false
  ```
  