This configuration option is only used for CI testing and
may be confusing for a unsuspecting end user.
Change is coupled with PR on zaza that updates the dragent
test to get information about configured asns by inspecting
relation data on `neutron-dynamic-routing` and `quagga`
units.
Depends-On: I8b1508361fdc7541c0fc231e7e816651626596b7
Change-Id: I41360518ab2e65a207e238d95a39b763897d4fbc
7be2ae2bd8