Revert "2nd attempt to enable SCM polling"

This reverts commit 5f5f9c8e083114a163f0c0e85b4369499e664b57.

Workaround did not work for SCM polling.

Change-Id: Ie5b17e080129a31a4226fe19c8e59d1333250af3
diff --git a/jjb/onos/onos-verify.yaml b/jjb/onos/onos-verify.yaml
index b7858d3..5231c54 100644
--- a/jjb/onos/onos-verify.yaml
+++ b/jjb/onos/onos-verify.yaml
@@ -36,11 +36,6 @@
       - lf-infra-wrappers:
           build-timeout: '{build-timeout}'
           jenkins-ssh-credential: '{jenkins-ssh-credential}'
-      - inject:
-          # Work around inject plugin overriding our GIT_URL variable incorrectly
-          # https://issues.jenkins-ci.org/browse/JENKINS-49775
-          properties-content: |
-            GIT_URL="$GIT_URL"
 
 
 - verify_boiler_plate: &verify_boiler_plate
@@ -139,8 +134,7 @@
           jenkins-ssh-credential: '{jenkins-ssh-credential}'
 
     triggers:
-      - pollscm:
-          cron: '@hourly'
+      - timed: '@hourly'
 
 # FIXME - there is a Slack integration plugin in 2.0.3
     publishers: