In pull #8764 there were 2 filters removed: [`wpseo_metakey`](https://github.com/Yoast/wordpress-seo/pull/8764/files#diff-902c179bedafd984b2e2baffed4261e1L1245) and [`wpseo_metakeywords`](https://github.com/Yoast/wordpress-seo/pull/8764/files#diff-902c179bedafd984b2e2baffed4261e1L1252). We should add these to the [`show_hook_deprecation_warnings`](https://github.com/Yoast/wordpress-seo/blob/trunk/admin/class-admin-init.php#L583) function.
In pull #8764 there were 2 filters removed:
wpseo_metakeyandwpseo_metakeywords.We should add these to the
show_hook_deprecation_warningsfunction.