suppress newlines

nginx/templates/config.jinja

 {% set group = nginx.get('group', 'www-data') -%}
 user   {{ user }} {{ group }};
 worker_processes  {{ nginx.get('worker_processes', 1) }};
-{% set worker_rlimit_nofile = nginx.get('worker_rlimit_nofile', '') %}
-{% if worker_rlimit_nofile %}
+{% set worker_rlimit_nofile = nginx.get('worker_rlimit_nofile', '') -%}
+{% if worker_rlimit_nofile -%}
 worker_rlimit_nofile {{ worker_rlimit_nofile }};
-{% endif %}
+{% endif -%}
 
 error_log /var/log/nginx/error.fifo warn;
 pid {{ nginx.get('pid', '/var/run/nginx.pid') }};
 
 events {
     worker_connections {{ nginx.get('events', {}).get('worker_connections', 1024) }};
-    {% set use = nginx.get('events', {}).get('use', '') %}
-    {% if use %}
+    {% set use = nginx.get('events', {}).get('use', '') -%}
+    {% if use -%}
     use {{ use }};
-    {% endif %}}
+    {% endif -%}}
 }
 
 http {