build: remove blank lines in postgresql.conf (#324)

Author: thebaptiste

config/postgresql.conf

@@ -6,10 +6,10 @@ logging_collector = off
 log_min_messages = warning
 unix_socket_directories = '{{MFMODULE_RUNTIME_HOME}}/var'
 listen_addresses = '*'
-{% if MFBASE_POSTGRESQL_PG_CRON == "1" %}
+{% if MFBASE_POSTGRESQL_PG_CRON == "1" -%}
 shared_preload_libraries = 'pg_stat_statements, pg_cron'
 cron.database_name = 'metwork'
 cron.timezone = 'GMT'
-{% else %}
+{% else -%}
 shared_preload_libraries = 'pg_stat_statements'
-{% endif %}
+{% endif -%}