testing implicit default for ASOAPI feature flag

Author: nojnhuh

test/e2e/config/azure-dev.yaml

@@ -204,7 +204,6 @@ variables:
   EXP_MACHINE_POOL: "true"
   EXP_CLUSTER_RESOURCE_SET: "true"
   EXP_EDGEZONE: "true"
-  EXP_ASO_API: "true"
   CLUSTER_TOPOLOGY: "true"
   EXP_KUBEADM_BOOTSTRAP_FORMAT_IGNITION: "true"
   AZURE_EXTENDEDLOCATION_TYPE: "${AZURE_EXTENDEDLOCATION_TYPE:-EdgeZone}"