Revert back to using goqr.me API for comment QR

DDG doesn't seem to work in "production" for some reason, while it works
perfectly fine locally :/

templates/partials/comments.html

@@ -17,18 +17,7 @@
 <section id="comments">
 
 	{% if config.extra.comments.show_qr %}
-		<img id="qrcode" class="no-hover pixels" alt="QR code to a Mastodon post" src="">
-		<script>
-			const apiUrl = "http://api.duckduckgo.com/?q=qr%20https://{{ host }}/@{{ username }}/{{ id }}&format=json";
-
-			fetch(apiUrl)
-				.then(response => response.json())
-				.then(data => {
-					const base64Data = data.Answer.match(/src="([^"]*)"/)[1];
-					document.getElementById("qrcode").src = base64Data;
-				})
-				.catch(error => console.error("Error fetching QR code:", error));
-		</script>
+		<img id="qrcode" class="no-hover pixels" alt="QR code to a Mastodon post" src="https://api.qrserver.com/v1/create-qr-code/?data=https://{{ host }}/@{{ username }}/{{ id }}&format=gif" />
 	{% endif %}
 	<h2>Comments</h2>
 	<p>