chore: remove footer import (#4305)

Author: chdeskur

fern/products/home/pages/welcome.mdx

@@ -8,8 +8,6 @@ layout: custom
 
 <Markdown src="/snippets/agent-directive.mdx"/>
 
-import { FernFooter } from "../../../components/FernFooter";
-
 <div className="lp-page-container">
   {/* Main Content */}
   <div className="main-content">