[postgresql] Split "azure-mgmt-postgresqlflexibleservers" from "azure…

…-mgmt-rdbms" for Python SDK (Azure#30104)

* python config

* Update readme.python.md

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

@@ -6,20 +6,8 @@ Please also specify `--python-sdks-folder=<path to the root directory of your az
 ``` yaml $(python)
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
-package-name: azure-mgmt-rdbms
 no-namespace-folders: true
-package-version: 1.0.0b1
-```
-
-### Python multi-api
-
-Generate all API versions currently shipped for this package
-
-```yaml $(python)
 clear-output-folder: true
-batch:
-  - tag: package-flexibleserver-2023-12-01-preview
-  - tag: package-2020-01-01
 ```
 
 ### Tag: package-flexibleserver-2023-12-01-preview and python
@@ -28,8 +16,11 @@ These settings apply only when `--tag=package-flexibleserver-2023-12-01-preview
 Please also specify `--python-sdk-folder=<path to the root directory of your azure-sdk-for-python clone>`.
 
 ``` yaml $(tag) == 'package-flexibleserver-2023-12-01-preview' && $(python)
-namespace: azure.mgmt.rdbms.postgresql_flexibleservers
-output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql_flexibleservers
+title: PostgreSQLManagementClient
+package-name: azure-mgmt-postgresqlflexibleservers
+package-version: 1.0.0b1
+namespace: azure.mgmt.postgresqlflexibleservers
+output-folder: $(python-sdks-folder)/postgresqlflexibleservers/azure-mgmt-postgresqlflexibleservers/azure/mgmt/postgresqlflexibleservers
 ```
 
 ### Tag: package-2020-01-01 and python
@@ -38,6 +29,9 @@ These settings apply only when `--tag=package-2020-01-01 --python` is specified
 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)
+title: PostgreSQLManagementClient
+package-name: azure-mgmt-rdbms
+package-version: 1.0.0b1
 namespace: azure.mgmt.rdbms.postgresql
 output-folder: $(python-sdks-folder)/rdbms/azure-mgmt-rdbms/azure/mgmt/rdbms/postgresql
 ```