Move location of azure-py-aks to the standard config (pulumi#511)

Move location of azure-py-aks to the standard config

Author: stack72

azure-py-aks/README.md

@@ -36,8 +36,8 @@ After cloning this repo, from this working directory, run these commands:
     ```bash
     $ pulumi config set password service_principal_password
     $ pulumi config set sshkey < ~/.ssh/id_rsa.pub
-    $ # this has a default value, so you can skip it
-    $ pulumi config set location any_valid_azure_location_for_aks
+    $ # set the azure location in which to run the test
+    $ pulumi config set azure:location westus2
     ```
 
 4. Stand up the AKS cluster:

azure-py-aks/__main__.py

@@ -12,7 +12,6 @@
 
 PASSWORD = config.require_secret("password")
 SSHKEY = config.require("sshkey")
-LOCATION = config.get("location") or "east us"
 
 # create a Resource Group and Network for all resources
 resource_group = ResourceGroup("aks-rg")
@@ -36,7 +35,6 @@
 
 aks = KubernetesCluster(
     "aksCluster",
-    location=resource_group.location,
     resource_group_name=resource_group.name,
     kubernetes_version="1.14.6",
     dns_prefix="dns",