Update navigation to use translated title for Development section

src/navigation.ts

@@ -41,13 +41,8 @@ export const getHeaderData = (lang = 'en') => {
         ],
       },
       {
-        text: 'Development',
+        text: t.development.title,
         links: [
-          {
-            text: 'Progress',
-            href: getPermalink('/development', 'page', lang),
-            isHashLink: false,
-          },
           {
             text: 'Anti-FP Shield+',
             href: getPermalink('/antifp', 'page', lang),