removed version number from readme

Author: softwarebycg

README.md

@@ -16,7 +16,7 @@ Documentation
 
 Documentation for this bundle is stored under `Resources/doc` in this repository.
 
-[Read the documentation for the last stable (2.0)][]
+[Read the documentation for the last stable][]
 
 Legacy (Symfony 2, or <=3.3)
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