chore: Remove sponsor link from homepage (#9226)

docs/src/pages/index.tsx

@@ -33,15 +33,6 @@ function HomepageHeader() {
           >
             Demo portal
           </Link>
-
-          <a
-            href="https://github.com/sponsors/immich-app"
-            target="_blank"
-            rel="noreferrer"
-            className="flex place-items-center place-content-center py-3 px-8 border bg-immich-sponsor rounded-full no-underline hover:no-underline text-white dark:text-immich-dark-bg dark:bg-immich-sponsor hover:text-white font-bold uppercase"
-          >
-            Sponsor
-          </a>
         </div>
         <img src="/img/immich-screenshots.png" alt="screenshots" width={'70%'} />
         <div className="flex flex-col sm:flex-row place-items-center place-content-center mt-4 gap-1">

docs/tailwind.config.js

@@ -20,8 +20,6 @@ module.exports = {
         'immich-dark-bg': 'black',
         'immich-dark-fg': '#e5e7eb',
         'immich-dark-gray': '#212121',
-
-        'immich-sponsor': '#db61a2',
       },
       fontFamily: {
         'immich-title': ['Snowburst One', 'cursive'],