Removes dark mode and updates copy year

Author: iosifache

components/Footer.tsx

@@ -7,49 +7,18 @@ import { FaMastodon } from '@react-icons/all-files/fa/FaMastodon'
 import { FaTwitter } from '@react-icons/all-files/fa/FaTwitter'
 import { FaYoutube } from '@react-icons/all-files/fa/FaYoutube'
 import { FaZhihu } from '@react-icons/all-files/fa/FaZhihu'
-import { IoMoonSharp } from '@react-icons/all-files/io5/IoMoonSharp'
-import { IoSunnyOutline } from '@react-icons/all-files/io5/IoSunnyOutline'
 
 import * as config from '@/lib/config'
-import { useDarkMode } from '@/lib/use-dark-mode'
 
 import styles from './styles.module.css'
 
 // TODO: merge the data and icons from PageSocial with the social links in Footer
 
 export const FooterImpl: React.FC = () => {
-  const [hasMounted, setHasMounted] = React.useState(false)
-  const { isDarkMode, toggleDarkMode } = useDarkMode()
-
-  const onToggleDarkMode = React.useCallback(
-    (e) => {
-      e.preventDefault()
-      toggleDarkMode()
-    },
-    [toggleDarkMode]
-  )
-
-  React.useEffect(() => {
-    setHasMounted(true)
-  }, [])
 
   return (
     <footer className={styles.footer}>
-      <div className={styles.copyright}>Copyright 2022 {config.author}</div>
-
-      <div className={styles.settings}>
-        {hasMounted && (
-          <a
-            className={styles.toggleDarkMode}
-            href='#'
-            role='button'
-            onClick={onToggleDarkMode}
-            title='Toggle dark mode'
-          >
-            {isDarkMode ? <IoMoonSharp /> : <IoSunnyOutline />}
-          </a>
-        )}
-      </div>
+      <div className={styles.copyright}>Copyright 2023 {config.author}</div>
 
       <div className={styles.social}>
         {config.twitter && (