refactor: remove unused props from components and improve error handling in about page (#385)

src/pages/about.astro

@@ -6,10 +6,15 @@ import { getEntry } from 'astro:content'
 import { i18n } from '../i18n/translation'
 import I18nKey from '../i18n/i18nKey'
 import Markdown from '@components/misc/Markdown.astro'
+import { render } from 'astro:content'
 
 const aboutPost = await getEntry('spec', 'about')
 
-const { Content } = await aboutPost.render()
+if (!aboutPost) {
+  throw new Error("About page content not found");
+}
+
+const { Content } = await render(aboutPost)
 ---
 <MainGridLayout title={i18n(I18nKey.about)} description={i18n(I18nKey.about)}>
     <div class="flex w-full rounded-[var(--radius-large)] overflow-hidden relative min-h-32">

src/pages/posts/[...slug].astro

@@ -1,6 +1,5 @@
 ---
 import path from 'node:path'
-import { getCollection } from 'astro:content'
 import License from '@components/misc/License.astro'
 import Markdown from '@components/misc/Markdown.astro'
 import I18nKey from '@i18n/i18nKey'