ChatsPage: remove pb-36

app/soapbox/pages/chats-page.tsx

@@ -3,7 +3,7 @@ import React from 'react';
 /** Custom layout for chats on desktop. */
 const ChatsPage: React.FC = ({ children }) => {
   return (
-    <div className='md:col-span-12 lg:col-span-9 pb-36'>
+    <div className='md:col-span-12 lg:col-span-9'>
       {children}
     </div>
   );