jobs/coverity: modernize

* no need to mention "(jenkins-job-builder)" in the display-name
* set mail to jenkins-notifications ML like most other jobs

Change-Id: I0284dd7354157e057903f53cde149ce652e76550

jobs/coverity.yml

@@ -9,7 +9,7 @@
     project-type: freestyle
     defaults: global
     description: 'Generated by job-builder'
-    display-name: 'Coverity-Upload (jenkins-job-builder)'
+    display-name: 'Coverity-Upload'
     node: coverity
     builders:
       - shell: |
@@ -18,7 +18,7 @@
           ./jenkins.sh
     publishers:
       - email:
-          recipients: openbsc@lists.osmocom.org holger@freyther.de
+          recipients: 'jenkins-notifications@lists.osmocom.org'
           notify-every-unstable-build: true
     properties:
       - build-discarder: