remove autoscaling smoke tests (#2817)

Author: lucix-aws

.changelog/1c952ab466374a358faf03c5f6a561d8.json

@@ -0,0 +1,8 @@
+{
+    "id": "1c952ab4-6637-4a35-8faf-03c5f6a561d8",
+    "type": "bugfix",
+    "description": "Remove integration tests for autoscaling APIs.",
+    "modules": [
+        "service/internal/integrationtest"
+    ]
+}