Remove a now unused switch_to_blog() and restore_current_blog() in site-info.php

Now that we decide when to automatically update `home` and `siteurl`, we no longer need to switch to the site while displaying the form output.

See #32503.


git-svn-id: https://develop.svn.wordpress.org/trunk@32761 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/network/site-info.php

@@ -158,8 +158,6 @@ if ( ! empty( $messages ) ) {
 		echo '<div id="message" class="updated notice is-dismissible"><p>' . $msg . '</p></div>';
 	}
 }
-
-switch_to_blog( $id );
 ?>
 <form method="post" action="site-info.php?action=update-site">
 	<?php wp_nonce_field( 'edit-site' ); ?>
@@ -230,5 +228,4 @@ switch_to_blog( $id );
 
 </div>
 <?php
-restore_current_blog();
 require( ABSPATH . 'wp-admin/admin-footer.php' );