Do not claim PHPCR ODM 2.0 support

Author: wouterj

composer.json

@@ -22,7 +22,7 @@
         "symfony-cmf/routing-bundle": "^2.0",
         "symfony-cmf/testing": "^1.3|^2.0",
         "doctrine/dbal": "2.5.*",
-        "doctrine/phpcr-odm": "^1.0|^2.0"
+        "doctrine/phpcr-odm": "^1.0"
     },
     "minimum-stability": "RC",
     "prefer-stable": true,