[databoxedge][python] Convert to singleapi (#35688)

Author: msyyc

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

@@ -2,54 +2,18 @@
 
 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)
+title: DataBoxEdgeManagementClient
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
-namespace: azure.mgmt.databoxedge
 package-name: azure-mgmt-databoxedge
-title: DataBoxEdgeManagementClient
-description: The DataBoxEdge Client.
+namespace: azure.mgmt.databoxedge
 package-version: 1.0.0b1
 clear-output-folder: true
-no-namespace-folders: true
-```
-
-### Python multi-api
-
-Generate all API versions currently shipped for this package
-
-```yaml $(python)
-multiapi: true
-default-api-version: "2019-08-01"
-batch:
-  - tag: package-2021-02-01-preview
-  - tag: package-2019-08
-  - multiapiscript: true
-```
-
-``` yaml $(multiapiscript)
-output-folder: $(python-sdks-folder)/databoxedge/azure-mgmt-databoxedge/azure/mgmt/databoxedge/
-perform-load: false
 ```
 
-### Tag: package-2021-02-01-preview and python
-
-These settings apply only when `--tag=package-2021-02-01-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-2021-02-01-preview' && $(python)
-namespace: azure.mgmt.databoxedge.v2021_02_01_preview
-output-folder: $(python-sdks-folder)/databoxedge/azure-mgmt-databoxedge/azure/mgmt/databoxedge/v2021_02_01_preview
-```
-
-### Tag: package-2019-08 and python
-
-These settings apply only when `--tag=package-2019-08 --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-2019-08' && $(python)
-namespace: azure.mgmt.databoxedge.v2019_08_01
-output-folder: $(python-sdks-folder)/databoxedge/azure-mgmt-databoxedge/azure/mgmt/databoxedge/v2019_08_01
+``` yaml $(python)
+no-namespace-folders: true
+output-folder: $(python-sdks-folder)/databoxedge/azure-mgmt-databoxedge/azure/mgmt/databoxedge
 ```