Merge branch '4.4' into 5.1

* 4.4:
  Remove simple quotes in config/routes/annotations.yaml

Author: OskarStark

routing.rst

@@ -36,7 +36,7 @@ following configuration file:
 
     # config/routes/annotations.yaml
     controllers:
-        resource: '../../src/Controller/'
+        resource: ../../src/Controller/
         type: annotation
 
     kernel: