reverting jenkins_admin defaults

playbooks/roles/jenkins_admin/defaults/main.yml

@@ -80,20 +80,15 @@ jenkins_admin_debian_pkgs:
 
 jenkins_admin_gem_pkgs:
   # for generating status.edx.org
-  - name: sass
-    version: "3.2.4"
+  - { name: sass, version: "3.2.4" }
 
 jenkins_admin_redhat_pkgs: []
 
 jenkins_admin_plugins:
-  - name: "greenballs"
-    version: "1.14"
-  - name: "rebuild"
-    version: "1.21"
-  - name: "build-user-vars-plugin"
-    version: "1.1"
-  - name: "build-token-root"
-    version: "1.1"
+ - { name: "greenballs", version: "1.14" }
+ - { name: "rebuild", version: "1.21" }
+ - { name: "build-user-vars-plugin", version: "1.1" }
+ - { name: "build-token-root", version: "1.1" }
 
 jenkins_admin_jobs:
   - 'backup-jenkins'