drop ocramius/package-versions conflict

Author: Dominik Zogg

composer.json

@@ -35,8 +35,7 @@
         "psr/container": "^1.0"
     },
     "conflict": {
-        "composer/composer": "<1.10.16",
-        "ocramius/package-versions": ">=1.10"
+        "composer/composer": "<1.10.16"
     },
     "autoload": {
         "psr-4": { "Chubbyphp\\ApiHttp\\": "src/" }