Hello,
You can try to comment out these code into wp-admin/plugins.php file.
<div class="ult_activate">
<div class="ult_a"><img style="width:1em;" src="http://www.reciprocityevents.com/wp-content/plugins/Ultimate_VC_Addons/admin/img/logo-icon.png" alt=""></div>
<div class="ult_button_container" onclick="document.location='http://www.reciprocityevents.com/wp-admin/admin.php?page=bsf-dashboard'">
<div class="ult_button_border">
<div class="ult_button"><span class="dashicons-before dashicons-admin-network" style="padding-right: 6px;"></span>Activate your license</div>
</div>
</div>
<div class="ult_description"><h3 style="margin:0;padding: 2px 0px;"><strong>Almost done!</strong></h3><p style="margin: 0;">Please activate your copy of the Ultimate Addons for Visual Composer to receive automatic updates & get premium support</p></div>
</div>
But we strongly not recommended to do this.
Regards,
Robert Hall.