Merge pull request doctrine#5591 from doctrine/docs/remove-2-4-from-r…

…eadme

Removing 2.4 from README

README.md

@@ -1,7 +1,7 @@
-| [Master][Master] | [2.5][2.5] | [2.4][2.4] |
-|:----------------:|:----------:|:----------:|
-| [![Build status][Master image]][Master] | [![Build status][2.5 image]][2.5] | [![Build status][2.4 image]][2.4] |
-| [![Coverage Status][Master coverage image]][Master coverage] | [![Coverage Status][2.5 coverage image]][2.5 coverage] | [![Coverage Status][2.4 coverage image]][2.4 coverage] |
+| [Master][Master] | [2.5][2.5] |
+|:----------------:|:----------:|
+| [![Build status][Master image]][Master] | [![Build status][2.5 image]][2.5] |
+| [![Coverage Status][Master coverage image]][Master coverage] | [![Coverage Status][2.5 coverage image]][2.5 coverage] |
 
 Doctrine 2 is an object-relational mapper (ORM) for PHP 5.4+ that provides transparent persistence
 for PHP objects. It sits on top of a powerful database abstraction layer (DBAL). One of its key features
@@ -24,7 +24,3 @@ without requiring unnecessary code duplication.
   [2.5]: https://github.com/doctrine/doctrine2/tree/2.5
   [2.5 coverage image]: https://img.shields.io/coveralls/doctrine/doctrine2/2.5.svg?style=flat-square
   [2.5 coverage]: https://coveralls.io/r/doctrine/doctrine2?branch=2.5
-  [2.4 image]: https://img.shields.io/travis/doctrine/doctrine2/2.4.svg?style=flat-square
-  [2.4]: https://github.com/doctrine/doctrine2/tree/2.4
-  [2.4 coverage image]: https://img.shields.io/coveralls/doctrine/doctrine2/2.4.svg?style=flat-square
-  [2.4 coverage]: https://coveralls.io/r/doctrine/doctrine2?branch=2.4