Add missing @param and @return descriptions in /wp-includes/taxonomy.php

[keesiemeijer]

The following patch adds missing @param and @return DocBlock descriptions for the following functions

• has_term_meta
• wp_delete_category
• wp_term_is_shared

[keesiemeijer]

Add missing DocBlock descriptions

[SergeyBiryukov]

In 40917:

Docs: Add missing @param and @return descriptions for has_term_meta(), wp_delete_category(), and wp_term_is_shared().

Props keesiemeijer.
Fixes #41096.