Hide the Notify Me button for a collection

gistfile1.txt

{% assign in_clearance = false %}

{% for collection in  product.collections %}
  {% if collection.title == 'Clearance' %}
    {% assign in_clearance = true %}
  {% endif %}
{% endfor %}

{% if in_clearance %}

<style>
#BIS_trigger {
  display: none !important;
}
</style>

{% endif %}