puppet: Move nodejs into app_frontend.pp.

It's needed for camo and update-prod-static.

(imported from commit ae121f168f735abef002c6143b57c961e5d20429)

puppet/zulip/manifests/app_frontend.pp

@@ -16,7 +16,8 @@ class zulip::app_frontend {
                     "python-postmonkey", "python-django-jstemplate",
                     "redis-server", "python-redis", "python-django-guardian",
                     "python-diff-match-patch", "python-sourcemap", "python-mandrill",
-                    "python-sockjs-tornado", "python-apns-client", "python-imaging"]
+                    "python-sockjs-tornado", "python-apns-client", "python-imaging",
+                    "nodejs"]
   define safepackage ( $ensure = present ) {
     if !defined(Package[$title]) {
       package { $title: ensure => $ensure }

puppet/zulip/manifests/local_server.pp

@@ -3,10 +3,6 @@ class zulip::local_server {
   include zulip::app_frontend
   include zulip::postgres_appdb
 
-  # This should be migrated over to app_frontend, once validated as functional
-  # on app servers.
-  package { "nodejs": ensure => installed }
-
   file { "/etc/nginx/sites-available/zulip-local":
     require => Package[nginx],
     ensure => file,