Remove number format debug code left in Comments list table `get_views()` method

[rachelbaker]

Originally introduced in [9556] and leftover from [15578]. https://core.trac.wordpress.org/browser/trunk/src/wp-admin/includes/class-wp-comments-list-table.php#L203

//, number_format_i18n($num_comments->moderated) ), "<span class='comment-count'>" . number_format_i18n($num_comments->moderated) . "</span>"),
//, number_format_i18n($num_comments->spam) ), "<span class='spam-comment-count'>" . number_format_i18n($num_comments->spam) . "</span>")

See #8083 and #14579

[rachelbaker]

In 37624:

Comments: Remove debugging code left in WP_Comments_List_Table->get_views().

Originally introduced in [9556] and leftover from [15578].

Props dabnpits.
Fixes #36938.