removed duplicate entry from app/page.mdx

Author: bp1183

app/page.mdx

@@ -35,7 +35,6 @@ import CustomCard from "@/components/custom-card";
       { title: "Connecting a TRE", href: "/connect/connect-submission" },
       { title: "TRE data access", href: "/connect/controlling-tre-data-access"  },
       { title: "Projects and users", href: "/connect/approvals" },
-      { title: "TRE data access", href: "/link1" },
       { title: "Outputs approval", href: "/connect/approve-outputs" },
     ]}
     CTA={{ text: "Connect >", href: "/cta" }}