host_code_update: Do not restart code update service

Restarting the code update services may had been needed as a workaround
at some point in time, but it should not longer be needed.

Tested: Performed a host code update on witherspoon.

Change-Id: Id3d4dc73658825cf4e99d6a0764b57a17d96120b
Signed-off-by: Adriana Kobylak <anoo@us.ibm.com>
diff --git a/extended/code_update/host_code_update.robot b/extended/code_update/host_code_update.robot
index 3b4bd61..68f41ef 100644
--- a/extended/code_update/host_code_update.robot
+++ b/extended/code_update/host_code_update.robot
@@ -269,7 +269,6 @@
     ...  rm -f /var/lib/phosphor-software-manager/pnor/prsv/GUARD
 
     BMC Execute Command  rm -rf /tmp/images/*
-    BMC Execute Command  systemctl restart xyz.openbmc_project.Software.BMC.Updater.service xyz.openbmc_project.Software.Version.service xyz.openbmc_project.Software.Download.service
 
 Upload And Activate Multiple BMC Images Setup
     [Documentation]  Check that the ALTERNATE_FILE_PATH variable is set.