chore: update blog

apps/website/public/blog.xml

@@ -20,16 +20,6 @@
     <category>nextjs</category><category>react</category><category>next app router</category><category>saas ui</category><category>dashboard</category><category>app development</category>
   </item>
 
-  <item>
-    <guid>https://saas-ui.dev/blog/building-a-multi-tenant-b2b-saas-with-vite-tanstack-router</guid>
-    <title>Building a multi-tenant B2B SaaS with Vite and Tanstack Router & Query - Part 1: The boilerplate</title>
-    <link>https://saas-ui.dev/blog/building-a-multi-tenant-b2b-saas-with-vite-tanstack-router</link>
-    <description>In this article, we'll start building a multi-tenant B2B SaaS using Vite, Tanstack Router & Query, Chakra UI and Saas UI. We'll also cover how to handle multi-tenancy, authentication, and authorization.</description>
-    <pubDate>Fri, 23 Feb 2024 00:00:00 GMT</pubDate>
-    <author>hello@saas-ui.dev (Eelco Wiersma)</author>
-    <category>vite</category><category>tanstack router</category><category>react query</category><category>react</category><category>saas ui</category><category>chakra ui</category>
-  </item>
-
   <item>
     <guid>https://saas-ui.dev/blog/introducing-charts-for-chakra-ui</guid>
     <title>Introducing 4 new Open Source data visualization components for Chakra UI.</title>