scripts: Refactor deployment-finished logging.

scripts/deploy-zulip-from-git

@@ -80,7 +80,6 @@ try:
     subprocess.check_call(["sudo", os.path.join(deploy_path, "scripts", "lib", "upgrade-zulip-stage-2"),
                            deploy_path, "--from-git"] + deploy_options)
 
-    logging.info("Deployment complete")
     subprocess.check_call(["./scripts/purge-old-deployments"])
 finally:
     release_deployment_lock()

scripts/lib/upgrade-zulip

@@ -51,7 +51,5 @@ try:
     deploy_path = deploy_path.strip()
     os.chdir(deploy_path)
     subprocess.check_call([os.path.abspath("./scripts/lib/upgrade-zulip-stage-2"), deploy_path])
-
-    logging.info("Deployment complete")
 finally:
     release_deployment_lock()

scripts/lib/upgrade-zulip-stage-2

@@ -77,3 +77,5 @@ subprocess.check_output(["./scripts/restart-server"], preexec_fn=su_to_zulip)
 
 if os.path.exists("/etc/supervisor/conf.d/zulip_db.conf"):
    subprocess.check_call(["supervisorctl", "start", "process-fts-updates"], preexec_fn=su_to_zulip)
+
+logging.info("Upgrade complete!")