[fix] duplicated log entry

roles/grafana/templates/grafana/conf/grafana.ini

@@ -1,18 +1,9 @@
 {% if dns_suffix == '-test' %}
 app_mode = development
-
-[log]
-level = debug
-
 {% else %}
 app_mode = production
-
-[log]
-level = warn
-
 {% endif %}
 
-
 [server]
 protocol = http
 domain = {{ frontend.domain }}
@@ -417,7 +408,11 @@ log_queries =
 
 # Either "debug", "info", "warn", "error", "critical", default is "info"
 ;level = info
+{% if dns_suffix == '-test' %}
+level = debug
+{% else %}
 level = info
+{% endif %}
 
 # optional settings to set different levels for specific loggers. Ex filters = sqlstore:debug
 ;filters =