chore: removed banner and updated header

iconoir.com/components/Header.tsx

@@ -23,12 +23,12 @@ export function Header({ currentVersion }: HeaderProps) {
         <Sparks></Sparks>
         <a
           href={
-            'https://lucaburgio.com/join?utm_source=iconoir&utm_medium=join-head-banner'
+            'https://opencollective.com/iconoir/donate?interval=month&amount=10'
           }
           target={'_blank'}
         >
-          Access to the latest updates on new icons and ideas. Join the
-          newsletter.
+          Your one-time or recurring contribution does a lot to keep Iconoir
+          going.
         </a>
       </Banner>
       <HeaderLeft>

iconoir.com/pages/index.tsx

@@ -7,7 +7,6 @@ import { REPO, SUPPORT_LINK } from '../lib/constants';
 import { Explore } from '../components/Explore';
 import { Footer } from '../components/Footer';
 import { Header } from '../components/Header';
-import { DonationPopup } from '../components/DonationPopup';
 import { HeaderBackground } from '../components/HeaderBackground';
 import { Icon } from '../components/IconList';
 import { Layout } from '../components/Layout';
@@ -141,7 +140,6 @@ const Home: NextPage<HomeProps> = ({
             Join our supporters and help us continue developing Iconoir.
           </Text15>
         </SupportContainer>
-        <DonationPopup />
         <Explore allIcons={allIcons} />
       </Layout>
       <Footer />