[EventHub] Update readme.python (Azure#18313)

* update readme.python

* update readme

specification/eventhub/resource-manager/readme.md

@@ -181,9 +181,6 @@ This is not used by Autorest itself.
 ``` yaml $(swagger-to-sdk)
 swagger-to-sdk:
   - repo: azure-sdk-for-net
-  - repo: azure-sdk-for-python
-    after_scripts:
-      - python ./scripts/multiapi_init_gen.py azure-mgmt-eventhub
   - repo: azure-sdk-for-python-track2
   - repo: azure-sdk-for-java
   - repo: azure-sdk-for-go

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

@@ -2,20 +2,7 @@
 
 These settings apply only when `--python` is specified on the command line.
 
-``` yaml !$(track2)
-python:
-  azure-arm: true
-  license-header: MICROSOFT_MIT_NO_VERSION
-  payload-flattening-threshold: 2
-  package-name: azure-mgmt-eventhub
-  package-version: 0.1.0
-  clear-output-folder: true
-  no-namespace-folders: true
-```
-
-These settings apply only when `--track2` is specified on the command line.
-
-``` yaml $(track2)
+``` yaml $(python)
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
 package-name: azure-mgmt-eventhub
@@ -29,17 +16,7 @@ modelerfour:
 
 Generate all API versions currently shipped for this package
 
-```yaml $(multiapi) && !$(track2)
-batch:
-  - tag: package-2021-11
-  - tag: package-2021-06-preview
-  - tag: package-2021-01-preview
-  - tag: package-2018-01-preview
-  - tag: package-2017-04
-  - tag: package-2015-08
-```
-
-```yaml $(multiapi) && $(track2)
+```yaml $(multiapi) && $(python)
 clear-output-folder: true
 batch:
   - tag: package-2021-11
@@ -53,7 +30,6 @@ batch:
 
 ``` yaml $(multiapiscript)
 output-folder: $(python-sdks-folder)/eventhub/azure-mgmt-eventhub/azure/mgmt/eventhub/
-clear-output-folder: false
 perform-load: false
 ```