Update service name for geo-postgresql recipe

* Service should be geo-postgresql instead of postgresql
* Remove user so it runs as root.

files/gitlab-cookbooks/gitlab-ee/recipes/geo-postgresql.rb

@@ -158,16 +158,14 @@ if node['gitlab']['geo-postgresql']['enable']
 end
 execute 'reload postgresql' do
-  command %(/opt/gitlab/bin/gitlab-ctl hup postgresql)
-  user postgresql_username
+  command %(/opt/gitlab/bin/gitlab-ctl hup geo-postgresql)
   retries 20
   action :nothing
   only_if { pg_helper.is_running? }
 end
 execute 'start postgresql' do
-  command %(/opt/gitlab/bin/gitlab-ctl start postgresql)
-  user postgresql_username
+  command %(/opt/gitlab/bin/gitlab-ctl start geo-postgresql)
   retries 20
   action :nothing
   not_if { pg_helper.is_running? }