update sponsor link

Author: yyx990803

src/support-vuejs/index.md

@@ -59,7 +59,7 @@ However, the amount of effort needed to maintain and develop new features for th
     <img src="/images/frontend-meetups.png" style="width: 120px;">
   </a><a href="https://onsen.io/vue/" target="_blank" style="width: 125px;">
     <img src="/images/onsen-ui.png" style="width: 125px;">
-  </a><a href="https://themeforest.net/item/clear-bootstrap-vuejs-admin-template/19339739?ref=jyostna&utm_source=vuejs&utm_campaign=vuejs_patreon&clickthrough_id=1113830525&redirect_back=true" target="_blank" style="width: 120px;">
+  </a><a href="https://themeforest.net/item/clear-bootstrap-vuejs-admin-template/19339739?ref=jyostna&utm_source=vuejs.org&utm_campaign=vuejs_patreon" target="_blank" style="width: 120px;">
     <img src="/images/vuejsadmin.png" style="width: 120px;">
   </a>
 </p>

themes/vue/layout/partials/sponsors.ejs

@@ -51,7 +51,7 @@
 <a href="https://onsen.io/vue/" target="_blank" style="width: 105px;">
   <img src="<%- url_for("/images/onsen-ui.png") %>" style="width: 105px;">
 </a>
-<a href="https://themeforest.net/item/clear-bootstrap-vuejs-admin-template/19339739?ref=jyostna&utm_source=vuejs&utm_campaign=vuejs_patreon&clickthrough_id=1113830525&redirect_back=true" target="_blank" style="width: 100px;">
+<a href="https://themeforest.net/item/clear-bootstrap-vuejs-admin-template/19339739?ref=jyostna&utm_source=vuejs.org&utm_campaign=vuejs_patreon" target="_blank" style="width: 100px;">
   <img src="<%- url_for("/images/vuejsadmin.png") %>" style="width: 100px;">
 </a>
 <br>