Drop zend-http from deps, add zend-diactoros

Author: Xerkus

composer.json

@@ -22,15 +22,14 @@
         "php": "^7.1",
         "container-interop/container-interop": "^1.2",
         "psr/http-message": "^1.0",
+        "zendframework/zend-diactoros": "^1.6",
         "zendframework/zend-servicemanager": "^3.3",
-        "zendframework/zend-stdlib": "^3.1",
-        "zendframework/zend-uri": "^2.5"
+        "zendframework/zend-stdlib": "^3.1"
     },
     "require-dev": {
         "phpstan/phpstan": "dev-master",
         "phpunit/phpunit": "^6.4.1",
         "zendframework/zend-coding-standard": "~1.0.0",
-        "zendframework/zend-diactoros": "^1.6",
         "zendframework/zend-i18n": "^2.7.4"
     },
     "suggest": {