Set empty nodepool resource lists on inap

This is the next step in cleaning up the inap provider. We set empty
resources lists in nodepool config for the inap provider so that
nodepool will automatically clean up after itself.

Change-Id: I4ff2bd2e1705cdedd2832254b0589b7bb367629b

nodepool/nl03.opendev.org.yaml

@@ -81,6 +81,18 @@ providers:
     boot-timeout: 120
     launch-timeout: 600
     rate: 0.001
+    diskimages: []
+    pools:
+      - name: main
+        max-servers: 0
+        labels: []
+
+  - name: iweb-mtl01
+    region-name: 'mtl01'
+    cloud: iweb
+    boot-timeout: 120
+    launch-timeout: 600
+    rate: 0.001
     diskimages: &provider_diskimages
       - name: centos-7
         config-drive: true
@@ -110,83 +122,6 @@ providers:
         config-drive: true
       - name: ubuntu-xenial
         config-drive: true
-    pools:
-      - name: main
-        max-servers: 0
-        labels:
-          - name: centos-7
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: centos-7
-            key-name: infra-root-keys-2020-05-13
-          - name: centos-8
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: centos-8
-            key-name: infra-root-keys-2020-05-13
-          - name: centos-8-stream
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: centos-8-stream
-            key-name: infra-root-keys-2020-05-13
-          - name: debian-bullseye
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: debian-bullseye
-            key-name: infra-root-keys-2020-05-13
-          - name: debian-buster
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: debian-buster
-            key-name: infra-root-keys-2020-05-13
-          - name: debian-stretch
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: debian-stretch
-            key-name: infra-root-keys-2020-05-13
-          - name: fedora-34
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: fedora-34
-            key-name: infra-root-keys-2020-05-13
-          - name: gentoo-17-0-systemd
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: gentoo-17-0-systemd
-            key-name: infra-root-keys-2020-05-13
-          - name: opensuse-15
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: opensuse-15
-            key-name: infra-root-keys-2020-05-13
-          - name: opensuse-tumbleweed
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: opensuse-tumbleweed
-            key-name: infra-root-keys-2020-05-13
-          - name: ubuntu-bionic
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: ubuntu-bionic
-            key-name: infra-root-keys-2020-05-13
-          - name: ubuntu-focal
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: ubuntu-focal
-            key-name: infra-root-keys-2020-05-13
-          - name: ubuntu-xenial
-            min-ram: 8000
-            flavor-name: 'A1.8'
-            diskimage: ubuntu-xenial
-            key-name: infra-root-keys-2020-05-13
-
-  - name: iweb-mtl01
-    region-name: 'mtl01'
-    cloud: iweb
-    boot-timeout: 120
-    launch-timeout: 600
-    rate: 0.001
-    diskimages: *provider_diskimages
     pools:
       - name: main
         max-servers: 200

nodepool/nodepool.yaml

@@ -56,7 +56,7 @@ providers:
     region-name: 'mtl01'
     cloud: inap
     rate: 0.001
-    diskimages: *provider_diskimages
+    diskimages: []
 
   - name: iweb-mtl01
     region-name: 'mtl01'