Remove City Cloud LA1 region

City Cloud is taking their LA1 region offline permanently. We
disabled uploads to it some time back, so it can be cleanly removed
from our configuration at this point.

Change-Id: I18ec8bb71831b8401efc9c6568b129b9b40170a0

nodepool/nl02.openstack.org.yaml

@@ -120,23 +120,6 @@ providers:
             diskimage: ubuntu-xenial
             key-name: infra-root-keys-2018-06-15
 
-  - name: citycloud-la1
-    region-name: 'La1'
-    cloud: citycloud
-    boot-timeout: 120
-    launch-timeout: 600
-    clean-floating-ips: true
-    rate: 0.25
-    diskimages: *provider_diskimages
-    pools:
-      - name: main
-        # Disabled until 2018-07-01 at request of citycloud.
-        # We should contact them before reenabling at this date.
-        max-servers: 0
-        availability-zones:
-          - nova
-        labels: *provider_pools_labels
-
   - name: citycloud-lon1
     region-name: 'Lon1'
     cloud: citycloud

nodepool/nodepool.yaml

@@ -18,12 +18,6 @@ providers:
     # We should contact them before reenabling at this date.
     diskimages: []
 
-  - name: citycloud-la1
-    region-name: 'La1'
-    cloud: citycloud
-    rate: 0.25
-    diskimages: []
-
   - name: citycloud-lon1
     region-name: 'Lon1'
     cloud: citycloud