docs: curl is not a must

Author: kenjis

README.md

@@ -87,14 +87,14 @@ Made with [contrib.rocks](https://contrib.rocks).
 PHP version 7.4 or higher is required, with the following extensions installed:
 
 - [intl](http://php.net/manual/en/intl.requirements.php)
-- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library
 - [mbstring](http://php.net/manual/en/mbstring.installation.php)
 
 Additionally, make sure that the following extensions are enabled in your PHP:
 
 - json (enabled by default - don't turn it off)
 - xml (enabled by default - don't turn it off)
 - [mysqlnd](http://php.net/manual/en/mysqlnd.install.php) if you plan to use MySQL
+- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library
 
 ## Running CodeIgniter Tests
 

admin/framework/README.md

@@ -45,11 +45,11 @@ Please read the [*Contributing to CodeIgniter*](https://github.com/codeigniter4/
 PHP version 7.4 or higher is required, with the following extensions installed:
 
 - [intl](http://php.net/manual/en/intl.requirements.php)
-- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library
 - [mbstring](http://php.net/manual/en/mbstring.installation.php)
 
 Additionally, make sure that the following extensions are enabled in your PHP:
 
 - json (enabled by default - don't turn it off)
 - xml (enabled by default - don't turn it off)
 - [mysqlnd](http://php.net/manual/en/mysqlnd.install.php) if you plan to use MySQL
+- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library

admin/starter/README.md

@@ -53,11 +53,11 @@ Problems with it can be raised on our forum, or as issues in the main repository
 PHP version 7.4 or higher is required, with the following extensions installed:
 
 - [intl](http://php.net/manual/en/intl.requirements.php)
-- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library
 - [mbstring](http://php.net/manual/en/mbstring.installation.php)
 
 Additionally, make sure that the following extensions are enabled in your PHP:
 
 - json (enabled by default - don't turn it off)
 - xml (enabled by default - don't turn it off)
 - [mysqlnd](http://php.net/manual/en/mysqlnd.install.php) if you plan to use MySQL
+- [libcurl](http://php.net/manual/en/curl.requirements.php) if you plan to use the HTTP\CURLRequest library