Remove HTML markup

templates/integrations/linenotify_message.html

@@ -1,6 +1,6 @@
 {% load humanize %}
 {% if check.status == "down" %}
-The check "{{ check.name_then_code }}" is <b>DOWN</b>. Last ping was {{ check.last_ping|naturaltime }}.
+The check "{{ check.name_then_code }}" is DOWN. Last ping was {{ check.last_ping|naturaltime }}.
 {% else %}
-The check "{{ check.name_then_code }}" is now <b>UP</b>.
+The check "{{ check.name_then_code }}" is now UP.
 {% endif %}