Remove the import policy on jenkins ImageStream

Fixes #957

Author: jbtrystram

manifests/jenkins-s2i.yaml

@@ -57,8 +57,6 @@ objects:
             namespace: openshift
           referencePolicy:
             type: Source
-          importPolicy:
-            scheduled: true
   - kind: BuildConfig
     apiVersion: v1
     metadata:
@@ -105,5 +103,3 @@ objects:
             namespace: openshift
           referencePolicy:
             type: Source
-          importPolicy:
-            scheduled: true