Shorten job names for OSA os_keystone repo

Due to the length limit for the shabeng line [1] the jobs
for the OpenStack-Ansible keystone role are failing.

This patch shortens the names appropriately.

[1] pypa/virtualenv#596

Change-Id: I11d39d786a01a5519e58752962e578169f667c7b

jenkins/jobs/projects.yaml

@@ -7485,8 +7485,8 @@
             - ubuntu-xenial
           pipeline: gate
           scenario:
-            - func_uwsgi_nginx
-            - func_uwsgi_apache
+            - uwsgi_nginx
+            - uwsgi_apache
       - '{pipeline}-{name}-ansible-{scenario}-{ostype}{job-suffix}':
           job-suffix: ''
           ostype:
@@ -7495,8 +7495,8 @@
             - ubuntu-xenial
           pipeline: gate
           scenario:
-            - func_uwsgi_nginx
-            - func_uwsgi_apache
+            - uwsgi_nginx
+            - uwsgi_apache
 
 - project:
     name: openstack-ansible-os_magnum

zuul/layout.yaml

@@ -11584,12 +11584,12 @@ projects:
       - name: ansible-role-functional-jobs-trusty
       - name: ansible-role-functional-jobs-xenial
     check:
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_nginx-centos-7-nv
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_nginx-ubuntu-trusty-nv
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_nginx-ubuntu-xenial-nv
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_apache-centos-7-nv
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_apache-ubuntu-trusty-nv
-      - gate-openstack-ansible-os_keystone-ansible-func_uwsgi_apache-ubuntu-xenial-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_nginx-centos-7-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_nginx-ubuntu-trusty-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_nginx-ubuntu-xenial-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_apache-centos-7-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_apache-ubuntu-trusty-nv
+      - gate-openstack-ansible-os_keystone-ansible-uwsgi_apache-ubuntu-xenial-nv
     release:
       - openstack-ansible-os_keystone-announce-release