style: simplify wiki data badge display

- Removed unnecessary div wrappers from the wiki data badge
- Cleaned up the code for better readability

This change enhances the markup simplicity without affecting the functionality,
ensuring the badge displays correctly while maintaining the same styling.

app/views/shared/_wiki_data_badge.html.erb

@@ -1,14 +1,12 @@
 <% if city.wiki_data_id.present? %>
-  <div class="badge badge-soft badge-lg badge-info">
-    <%= link_to "https://www.wikidata.org/wiki/#{city.wiki_data_id}",
-                target: "_blank",
-                rel: "noopener noreferrer",
-                class: "badge badge-lg badge-outline badge-info gap-2",
-                data: { controller: "tooltip", tooltip_target: "tooltip", tooltip_content: "View on WikiData" } do %>
-      <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
-        <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
-      </svg>
-      <%= t("text.wiki_data") %>
-    <% end %>
-  </div>
+  <%= link_to "https://www.wikidata.org/wiki/#{city.wiki_data_id}",
+              target: "_blank",
+              rel: "noopener noreferrer",
+              class: "badge badge-lg badge-outline badge-info gap-2",
+              data: { controller: "tooltip", tooltip_target: "tooltip", tooltip_content: "View on WikiData" } do %>
+    <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+      <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M13 16h-1v-4h-1m1-4h.01M21 12a9 9 0 11-18 0 9 9 0 0118 0z" />
+    </svg>
+    <%= t("text.wiki_data") %>
+  <% end %>
 <% end %>