Temporarly disable linaro-us
Nothing seems to be building/booting in linaro-us at the moment.  Due
to holidays it make take a little time to get this working on the
remote side.  Set this to 0 for now to stop trying to use nodes here.
@@ -389,7 +389,7 @@ providers:
config-drive: true
pools:
- name: main
- max-servers: 40
+ max-servers: 0
labels:
- name: centos-9-stream-arm64
min-ram: 8000
