[rdbms] Update readme.python.md (#14920)

* Update readme.python.md

* Update readme.python.md

Author: msyyc

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

@@ -2,63 +2,17 @@
 
 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.
-These settings apply only when `--track2` is specified on the command line.
 
 ``` yaml $(track2)
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
 package-name: azure-mgmt-rdbms
-package-version: 1.0.0b1
 no-namespace-folders: true
+package-version: 1.0.0b1
+clear-output-folder: true
 ```
 
-### Tag: package-flexibleserver-2021-06 and python
-
-These settings apply only when `--tag=package-flexibleserver-2021-06 --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-flexibleserver-2021-06' && $(python)
-namespace: azure.mgmt.rdbms.postgresql_flexibleservers
-output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers
-```
-
-### Tag: package-flexibleserver-2021-06-preview and python
-
-These settings apply only when `--tag=package-flexibleserver-2021-06 --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-flexibleserver-2021-06-preview' && $(python)
-namespace: azure.mgmt.rdbms.postgresql_flexibleservers
-output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers
-```
-
-### Tag: package-2021-03-31-privatepreview and python
-
-These settings apply only when `--tag=package-2021-03-31-privatepreview --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-2021-03-31-privatepreview' && $(python)
-namespace: azure.mgmt.rdbms.postgresql_flexibleservers
-output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers
-```
-
-### Tag: package-2020-01-01 and python
-
-These settings apply only when `--tag=package-2020-01-01 --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-2020-01-01' && $(python)
-namespace: azure.mgmt.rdbms.postgresql
-output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql
-```
-
-### Tag: package-2020-11-05-preview and python
-
-These settings apply only when `--tag=package-2020-11-05-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-2020-11-05-preview' && $(python)
-namespace: azure.mgmt.rdbms.postgresql_flexibleservers
+``` yaml $(python-mode) == 'update' && $(track2)
+no-namespace-folders: true
 output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers
 ```