chore: remove vercel branding

Author: omfj

.github/powered-by-vercel.svg

@@ -80,7 +80,6 @@ This is a full-stack monorepo for echo – Linjeforeningen for informatikk (stud
 - **Database**: PostgreSQL with Drizzle ORM
 - **CMS**: Sanity.io
 - **Auth**: NextAuth.js with Feide (Norwegian academic federation)
-- **Deployment**: Docker containers, hosted on Vercel
 
 ## Development Ports
 

CLAUDE.md

@@ -12,9 +12,6 @@ Utviklet av frivillige informatikkstudenter fra undergruppen **echo Webkom**.
   <a href="https://sanity.io" target="_blank" rel="noopener">
     <img src="https://cdn.sanity.io/images/3do82whm/next/51af00784c5addcf63ae7f0c416756acca7e63ac-353x71.svg?dl=sanity-logo.svg" width="100" alt="Powered by Sanity" />
   </a>
-  <a href="https://vercel.com/?utm_source=echo-webkom&utm_campaign=oss" target="_blank" rel="noopener">
-    <img src=".github/powered-by-vercel.svg" width="120" alt="Powered by Vercel" />
-  </a>
 </div>
 
 <br>
@@ -59,7 +56,6 @@ Denne full-stack monorepo-en består av flere applikasjoner og delte pakker:
 ## Hvordan kjøre?
 
 1. **Før du starter må du passe på at det følgende er installert:**
-
    - [pnpm](https://pnpm.io/installation)
    - [docker](https://docs.docker.com/engine/install/)
    - [cenv](https://github.com/echo-webkom/cenv)

README.md

@@ -64,7 +64,7 @@ export const Footer = ({ className }: FooterProps) => {
                       <Image
                         src={imageSrc as StaticImport}
                         alt={`${label} logo`}
-                        className={cn("h-8 w-auto", label === "Vercel" && "invert-0 dark:invert")}
+                        className="h-8 w-auto"
                       />
                     </Link>
                   </li>

apps/web/src/assets/images/vercel-logotype-dark.png

@@ -1,12 +1,6 @@
 import SanityLogo from "@/assets/images/sanity-logo.png";
-import VercelLogo from "@/assets/images/vercel-logotype-dark.png";
 
 export const sponsors = [
-  {
-    label: "Vercel",
-    href: "https://vercel.com/?utm_source=echo-webkom&utm_campaign=oss",
-    imageSrc: VercelLogo,
-  },
   {
     label: "Sanity",
     href: "https://www.sanity.io/",