Coding Standards: Remove extra conditional in is_super_admin().

Follow-up to [12612].

Props dhruvang21, ankit-k-gupta, audrasjb.
Fixes #61098.

git-svn-id: https://develop.svn.wordpress.org/trunk@58099 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/capabilities.php

@@ -1088,10 +1088,8 @@ function is_super_admin( $user_id = false ) {
  if ( is_array( $super_admins ) && in_array( $user->user_login, $super_admins, true ) ) {
  return true;
  }
- } else {
- if ( $user->has_cap( 'delete_users' ) ) {
- return true;
- }
+ } elseif ( $user->has_cap( 'delete_users' ) ) {
+ return true;
  }
 
  return false;