Simplify sonar variables

Globalize sonar_mvn_goal

Issue-ID: CIMAN-33
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>
Change-Id: Ia46696394bfbde621b861e662e6a512f5f6df967
diff --git a/jjb/sdnc/sdnc-apps.yaml b/jjb/sdnc/sdnc-apps.yaml
index 882796a..ae024d0 100644
--- a/jjb/sdnc/sdnc-apps.yaml
+++ b/jjb/sdnc/sdnc-apps.yaml
@@ -56,7 +56,7 @@
     sonarcloud-project-organization: '{sonarcloud_project_organization}'
     sonarcloud-api-token: '{sonarcloud_api_token}'
     sonarcloud-project-key: '{sonarcloud_project_organization}_{project-name}'
-    sonar-mvn-goal: "org.sonarsource.scanner.maven:sonar-maven-plugin:3.6.0.1398:sonar"
+    sonar-mvn-goal: '{sonar_mvn_goal}'
     cron: '@daily'
     build-node: ubuntu1604-builder-4c-4g
     project: 'sdnc/apps'