DimitriAus

This lightweight plugin removes WordPress emoji functionality to reduce HTTP requests and improve page load times.
What it removes:
<ul>
<li>Emoji detection script from page head</li>
<li>Emoji styles from frontend and admin</li>
<li>TinyMCE wpemoji plugin</li>
<li>Emoji conversion in RSS feeds</li>
<li>Emoji handling in emails</li>
<li>DNS prefetch for emoji CDN</li>
</ul>

Manly No Emojis

Disables the emoji functionality in WordPress to improve performance.

nigro.simone

This small plugin (5 Kb) clean WordPress by remove comment-reply.min.js and jquery-migrate.js scripts, disable “embeds” and “emoji” features and clean the head from unnecessary metadata.
Configurations are not required! You just have to install it and after the plugin does it all, none further action it’s required.

Speed Up – Clean WP

Clean WP remove comment-reply.min.js and jquery-migrate.js scripts, disable "embeds" and "emoji" features and clean the head from  …

Manly No Emojis vs Speed Up – Clean WP