Remove router dependency as it's not used

Conflicts:
	composer.json
	composer.lock

Author: geerteltink

composer.json

@@ -24,8 +24,7 @@
         "psr/container": "^1.0",
         "psr/http-message": "^1.0.1",
         "webimpress/http-middleware-compatibility": "^0.1.1",
-        "zendframework/zend-expressive-authentication": "^0.2 || ^1.0",
-        "zendframework/zend-expressive-router": "^2.2"
+        "zendframework/zend-expressive-authentication": "^0.2 || ^1.0"
     },
     "require-dev": {
         "phpunit/phpunit": "^6.4.3",