Remove unneeded chown causing build to fail

Change-Id: Ifa9549a8aa08bde7ba3c6faba62835054a775402
diff --git a/jobs.yaml b/jobs.yaml
index 4f4a7bb..9df0cfa 100644
--- a/jobs.yaml
+++ b/jobs.yaml
@@ -58,7 +58,6 @@
     builders:
       - shell: stdbuf -oL -eL mispipe "sudo ~mininet/mininet/util/vm/build.py -v --branch {branch} --test sanity {flavor} --chown `whoami`"  "tr '\r' ' '"
       - shell: zip `basename -s .ovf */*.ovf`.zip */*.vmdk */*.ovf
-      - shell: sudo chown -R jenkins  `dirname */build.log`
     publishers:
       - archive:
             artifacts: '**'