Rename opensuse functional jobs to opensuse-15

Going forward with openSUSE Leap 15.x the minor versions are always
backward compatible similarly to how centos behaves, so we only
want to have the major version in the job name.

Change-Id: I19803a6ef7307df0b6ffd5f45954b7da6f062f89

zuul.d/jobs.yaml

@@ -150,19 +150,19 @@
     nodeset: ubuntu-xenial
 
 - job:
-    name: openstack-ansible-upgrade-opensuse-150
+    name: openstack-ansible-upgrade-opensuse-15
     parent: openstack-ansible-upgrade
     nodeset: opensuse-150
     voting: false
 
 - job:
-    name: openstack-ansible-functional-opensuse-150
+    name: openstack-ansible-functional-opensuse-15
     parent: openstack-ansible-functional
     nodeset: opensuse-150
     voting: false
 
 - job:
-    name: openstack-ansible-functional-distro_install-opensuse-150
+    name: openstack-ansible-functional-distro_install-opensuse-15
     parent: openstack-ansible-functional
     nodeset: opensuse-150
     voting: false

zuul.d/project-templates.yaml

@@ -25,7 +25,7 @@
     experimental:
       jobs:
         - openstack-ansible-integrated-deploy-aio
-        - openstack-ansible-functional-opensuse-150
+        - openstack-ansible-functional-opensuse-15
         - openstack-ansible-functional-gentoo-17-0-systemd
 
 - project-template:
@@ -43,7 +43,7 @@
         - openstack-ansible-upgrade-ubuntu-xenial
     experimental:
       jobs:
-        - openstack-ansible-upgrade-opensuse-150
+        - openstack-ansible-upgrade-opensuse-15
         - openstack-ansible-upgrade-gentoo-17-0-systemd
 
 - project-template:
@@ -59,6 +59,6 @@
         # NOTE(hwoarang) SUSE and Ubuntu distro jobs remain non-voting
         # on master branches. See
         # http://eavesdrop.openstack.org/meetings/openstack_ansible_meeting/2018/openstack_ansible_meeting.2018-10-23-16.01.log.html#l-188
-        - openstack-ansible-functional-distro_install-opensuse-150
+        - openstack-ansible-functional-distro_install-opensuse-15
         - openstack-ansible-functional-distro_install-gentoo-17-0-systemd
         - openstack-ansible-functional-distro_install-ubuntu-bionic