No longer depend on prophecy

Author: wouterj

composer.json

@@ -21,7 +21,6 @@
     "require-dev": {
         "symfony-cmf/testing": "~1.1",
         "symfony/yaml": "~2.1",
-        "phpspec/prophecy": "~1.1.2",
         "matthiasnoback/symfony-dependency-injection-test": "0.*",
         "matthiasnoback/symfony-config-test": "0.*",
         "doctrine/phpcr-odm": "~1.2"