Stop using vendored SDK in core

src/azure-cli-core/azure/cli/core/_profile.py

@@ -75,7 +75,7 @@
 
 _AZ_LOGIN_MESSAGE = "Please run 'az login' to setup account."
 
-_USE_VENDORED_SUBSCRIPTION_SDK = True
+_USE_VENDORED_SUBSCRIPTION_SDK = False
 
 
 def load_subscriptions(cli_ctx, all_clouds=False, refresh=False):
@@ -301,6 +301,7 @@ def _new_account(self):
         """Build an empty Subscription which will be used as a tenant account.
         API version doesn't matter as only specified attributes are preserved by _normalize_properties."""
         if _USE_VENDORED_SUBSCRIPTION_SDK:
+            # pylint: disable=no-name-in-module, import-error
             from azure.cli.core.vendored_sdks.subscriptions.models import Subscription
             SubscriptionType = Subscription
         else:
@@ -1047,6 +1048,7 @@ def _get_subscription_client_class(self):  # pylint: disable=no-self-use
         """
         if _USE_VENDORED_SUBSCRIPTION_SDK:
             # Use vendered subscription SDK to decouple from `resource` command module
+            # pylint: disable=no-name-in-module, import-error
             from azure.cli.core.vendored_sdks.subscriptions import SubscriptionClient
             client_type = SubscriptionClient
         else: