chore(kit): de-duplicate og:type meta; drop stale public/_redirects gitignore

Author: matschik

.gitignore

@@ -44,6 +44,4 @@ vite.config.js.timestamp*
 .svelte-kit
 
 playwright-report
-test-results
-
-public/_redirects
+test-results

src/routes/compare/[comparison]/+page.svelte

@@ -15,7 +15,6 @@
   <title>{title}</title>
   <meta name="description" content={description} />
   <link rel="canonical" href={canonical} />
-  <meta property="og:type" content="website" />
   <meta property="og:url" content={canonical} />
   <meta property="og:title" content={title} />
   <meta property="og:description" content={description} />