minor symfony#58894 [TypeInfo] remove experimental information from README (xabbuh)

This PR was merged into the 7.2 branch.

Discussion
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[TypeInfo] remove experimental information from README

| Q             | A
| ------------- | ---
| Branch?       | 7.2
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Issues        |
| License       | MIT

Commits
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f4e7cc5 remove experimental information from readme

Author: xabbuh

src/Symfony/Component/TypeInfo/README.md

@@ -3,11 +3,6 @@ TypeInfo Component
 
 The TypeInfo component extracts PHP types information.
 
-**This Component is experimental**.
-[Experimental features](https://symfony.com/doc/current/contributing/code/experimental.html)
-are not covered by Symfony's
-[Backward Compatibility Promise](https://symfony.com/doc/current/contributing/code/bc.html).
-
 Getting Started
 ---------------