Merge pull request #7276 from kenjis/fix-docs-upgrade_432.rst

docs: fix upgrade_432.rst

Author: samsonasik

user_guide_src/source/installation/upgrade_432.rst

@@ -64,10 +64,6 @@ Content Changes
 The following files received significant changes (including deprecations or visual adjustments)
 and it is recommended that you merge the updated versions with your application:
 
-Config
-------
-
-- app/Config/Email.php
 - app/Config/Mimes.php
 - app/Views/errors/html/error_exception.php
 - composer.json
@@ -80,7 +76,6 @@ This is a list of all files in the **project space** that received changes;
 many will be simple comments or formatting that have no effect on the runtime:
 
 - app/Config/App.php
-- app/Config/Email.php
 - app/Config/Mimes.php
 - app/Views/errors/html/error_exception.php
 - composer.json