set url to https://omnitruck.chef.io/install.sh

Change-Id: I1eb228adf80e44d97a0a95eb37477ee1c0d76ab9
Signed-off-by: Grinberg Moti <mg877n@att.com>
diff --git a/sdc-os-chef/sdc-frontend/Dockerfile b/sdc-os-chef/sdc-frontend/Dockerfile
index 940dd23..79fd918 100644
--- a/sdc-os-chef/sdc-frontend/Dockerfile
+++ b/sdc-os-chef/sdc-frontend/Dockerfile
@@ -9,10 +9,7 @@
 COPY chef-repo/cookbooks /root/chef-solo/cookbooks/
 
 # install chef-solo
-#RUN curl -L http://www.opscode.com/chef/install.sh | bash
-COPY chef-install.sh /root/
-RUN chmod 770 /root/chef-install.sh
-RUN bash /root/chef-install.sh
+RUN curl -L https://omnitruck.chef.io/install.sh | bash
 
 RUN cp ${JETTY_HOME}/resources/log4j.properties ${JETTY_BASE}/resources/log4j.properties