Remove Script Injector section from README

The "Script Injector" section was deleted from the README.md file as it was no longer relevant. It had become outdated and was causing some confusion for users, hence its removal ensures that the documentation is more

README.md

@@ -9,15 +9,6 @@
 
 Ray.Compiler compiles Ray.Di bindings into PHP code, providing a performance boost that makes Dependency Injection couldn't be any faster.
 
-##  Script Injector
-
-`ScriptInjector` has the same interface as Ray.Di Injector; whereas Ray.Di Injector resolves dependencies based on memory bindings, ScriptInjector executes pre-compiled PHP code and is faster.
-
-Ray.Di injector
-```php
-$injector = new Injector(new CarModule); // Ray.Di injector
-```
-
 Ray.Compiler injector
 ```php
 $injector = new ScriptInjector($tmpDir, fn => new CarModule);