Updated to released version of zend-expressive-router ^2.2

Author: michalbundyra

composer.json

@@ -20,18 +20,12 @@
         "slack": "https://zendframework-slack.herokuapp.com",
         "forum": "https://discourse.zendframework.com/c/questions/expressive"
     },
-    "repositories": [
-        {
-            "type": "git",
-            "url": "https://github.com/webimpress/zend-expressive-router.git"
-        }
-    ],
     "require": {
         "php": "^7.1",
         "psr/container": "^1.0",
         "psr/http-message": "^1.0.1",
         "webimpress/http-middleware-compatibility": "^0.1.1",
-        "zendframework/zend-expressive-router": "dev-feature/http-middleware-0.5"
+        "zendframework/zend-expressive-router": "^2.2"
     },
     "require-dev": {
         "phpunit/phpunit": "^6.0.8",