Removed git submodule approach

Author: thirsch

.gitmodules

@@ -10,7 +10,7 @@ This is a community driven fork of symfony 1, as official support has been [inte
 All the enhancements and BC breaks are listed in the [WHATS_NEW](https://github.com/FriendsOfSymfony1/symfony1/blob/master/WHATS_NEW.md) file, this include:
 
 - [DIC](https://github.com/FriendsOfSymfony1/symfony1/wiki/ServiceContainer)
-- Composer support
+- Composer support (and removed git submodule approach)
 - PHP 8.3 support
 - performance boost
 - new widgets & validators
@@ -41,20 +41,13 @@ Installation
 
 See https://symfony.com/legacy/doc/getting-started/1_4/en/03-Symfony-Installation
 
-Option 1: Using [Composer](https://getcomposer.org/doc/00-intro.md) as dependency management:
+Using [Composer](https://getcomposer.org/doc/00-intro.md) as dependency management:
 
     composer require friendsofsymfony1/symfony1 "1.5.*"
     composer install
 
 Note: On windows, if your project is a few directories down from the drive root, composer can throw an error  relating to ZipArchive::extractTo(), this can be because pathnames are too long. There currently appears to be no proper solution but a workaround is to move your project to the drive root, run the commands from there, where they will run happily, and then move your project back.
 
-Option 2: Using Git submodules:
-
-    git init # your project
-    git submodule add https://github.com/FriendsOfSymfony1/symfony1.git lib/vendor/symfony
-    git submodule update --init --recursive
-
-
 Tests
 -----
 

README.md

@@ -1,3 +1,13 @@
+Composer support
+----------------
+
+Using [Composer](https://getcomposer.org/doc/00-intro.md) as dependency management:
+
+    composer require friendsofsymfony1/symfony1 "1.5.*"
+    composer install
+
+**[BC Break]** Installation of symfony1 and it's dependency is no longer possible as a git submodule. If this is a must for you, consider sticking to an earlier commit of this repo, but you should consider using composer!
+
 Service container
 -----------------
 
@@ -244,4 +254,4 @@ all:
     monolog.handler.file:
       class: Monolog\Handler\StreamHandler
       arguments: [/the/file/path/of/your/file.log]
-```
+```