[ContainerService] [postgresql] [Solutions]Change track2 to python (Azure#18617)

* update tag

* Update readme.python.md

* Update readme.python.md

Author: BigCat20196

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

@@ -405,7 +405,7 @@ namespace: azure.mgmt.containerservice.v2017_07_01
 output-folder: $(python-sdks-folder)/containerservice/azure-mgmt-containerservice/azure/mgmt/containerservice/v2017_07_01
 ```
 
-``` yaml $(track2)
+``` yaml $(python)
 directive:
   - from: swagger-document
     where: $.definitions.ManagedClusterLoadBalancerProfile.properties.managedOutboundIPs.properties["countIPv6"]

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

@@ -3,7 +3,7 @@
 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>`.
 
-``` yaml $(track2)
+``` yaml $(python)
 azure-arm: true
 license-header: MICROSOFT_MIT_NO_VERSION
 package-name: azure-mgmt-rdbms
@@ -15,7 +15,7 @@ package-version: 1.0.0b1
 
 Generate all API versions currently shipped for this package
 
-```yaml $(track2)
+```yaml $(python)
 clear-output-folder: true
 batch:
   - tag: package-flexibleserver-2021-06

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

@@ -5,7 +5,7 @@ Please also specify `--python-sdks-folder=<path to the root directory of your az
 
 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-managedapplication
@@ -17,7 +17,7 @@ no-namespace-folders: true
 
 Generate all API versions currently shipped for this package
 
-```yaml $(multiapi) && $(track2)
+```yaml $(multiapi) && $(python)
 clear-output-folder: true
 batch:
   - tag: package-managedapplications-2021-07
@@ -26,7 +26,6 @@ batch:
 
 ``` yaml $(multiapiscript)
 output-folder: $(python-sdks-folder)/managedapplication/azure-mgmt-managedapplication/azure/mgmt/managedapplication/
-clear-output-folder: false
 perform-load: false
 ```