Adjust README file to match supported PHP versions & remove mention o…

…f outdated 1.4

README.md

@@ -12,9 +12,7 @@ Installation
 
 All the installation instructions are located in the documentation, check it for a specific version:
 
-* [__2.x__](https://github.com/hwi/HWIOAuthBundle/blob/master/docs/1-setting_up_the_bundle.md) (current) - with support for Symfony: `^5.4`, `^6.3` & `^7.0` (PHP: `^7.4`, `^8.0`),
-
-* [__1.4__](https://github.com/hwi/HWIOAuthBundle/blob/1.4/Resources/doc/1-setting_up_the_bundle.md) (unsupported) - with support for Symfony: `^4.4` & `^5.1` (PHP: `^7.3` & `^8.0`),
+* [__2.x__](https://github.com/hwi/HWIOAuthBundle/blob/master/docs/1-setting_up_the_bundle.md) (current) - with support for Symfony: `^5.4`, `^6.3` & `^7.0` (PHP: `^8.1`),
 
 Documentation
 -------------
@@ -23,7 +21,6 @@ The bulk of the documentation is stored in the `Resources/doc/index.md`
 file in this bundle. Read the documentation for version:
 
 * [__2.x__](https://github.com/hwi/HWIOAuthBundle/blob/master/docs/index.md)
-* [__1.4__](https://github.com/hwi/HWIOAuthBundle/blob/1.4/Resources/doc/index.md) (unsupported)
 
 This bundle contains support for 58 different providers:
 * 37signals,