remove mb_string extension requirement

nyamsprod · nyamsprod · commit 758dfa2a44b4 · 2018-02-23T09:30:31.000+01:00
diff --git a/README.md b/README.md
@@ -28,7 +28,6 @@ System Requirements
 You need:
 
 - **PHP >= 7.0** but the latest stable version of PHP is recommended
-- the `mbstring` extension
 - the `intl` extension
 
 Dependencies
