remove unnecessary plausible calls (#1664)

templates/dashboard/pricing.html

@@ -210,6 +210,5 @@ to apply the coupon code.
       });
     }
 
-    plausible("visit pricing");
 </script>
 {% endblock %}

templates/dashboard/thank-you.html

@@ -15,5 +15,4 @@
       <a class="btn btn-primary" href="/">Close</a>
     </div>
   </div>
-  <script>plausible("upgraded")</script>
 {% endblock %}