remove duplicate technology menu

Author: zzq0826

src/components/Header/data.ts

@@ -148,12 +148,6 @@ const mainnetNavigations: Navigation[] = [
         key: "technology",
         href: "https://scroll.io/technology",
       },
-      {
-        rootKey: "vision",
-        label: "Technology",
-        key: "technology",
-        href: "https://docs.scroll.io/en/technology/",
-      },
       {
         rootKey: "vision",
         label: "Strategy",