Remove unused translation key and query field

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

messages/en.json

@@ -12,8 +12,7 @@
     "description": "A student organisation that aims to create an inclusive environment around gaming and e-sports for the students at UiO"
   },
   "buttons": {
-    "back": "back",
-    "flagImageAlt": "Norwegian flag"
+    "back": "back"
   },
   "404": {
     "title": "404: Page not found",

messages/no.json

@@ -12,8 +12,7 @@
     "description": "En hobbyforening som ønsker skape et sosialt miljø rundt gaming og e-sport på UiO!"
   },
   "buttons": {
-    "back": "tilbake",
-    "flagImageAlt": "Britisk flagg"
+    "back": "tilbake"
   },
   "404": {
     "title": "404: Siden finnes ikke",

src/components/page-sections/boardMembers.tsx

@@ -8,7 +8,6 @@ import * as styles from "./boardMembers.module.css"
 
 interface BoardMember {
   _id: string
-  boardMember: boolean
   contactInfo?: string
   name: string
   role?: {

src/lib/sanity.ts

@@ -118,7 +118,6 @@ export async function getBoardMembers() {
   const query = `
     *[_type == "author" && boardMember == true] | order(orderRank asc) {
       _id,
-      boardMember,
       contactInfo,
       name,
       role {