Update composer.json

Author: drew-hirewheel

composer.json

@@ -15,8 +15,7 @@
     "php": ">=5.5",
     "guzzlehttp/guzzle": "~6.0",
     "guzzlehttp/psr7": "1.2.*",
-    "psr/http-message": "1.0.*",
-    "datarole/api-client-php": "~2.0"
+    "psr/http-message": "1.0.*"
   },
   "require-dev": {
     "phpunit/phpunit": "4.0.*",