Merge pull request #2934 from Yurujai/changes_for_doctrine_mongodb_2.0

Safe option on XML mapping was removed on doctrine/mongodb-odm 2.0

Author: stof

Resources/config/doctrine-mapping/Group.mongodb.xml

@@ -13,7 +13,6 @@
         <indexes>
             <index>
                 <key name="name" order="asc" />
-                <option name="safe" value="true" />
                 <option name="unique" value="true" />
             </index>
         </indexes>

Resources/config/doctrine-mapping/User.mongodb.xml

@@ -31,17 +31,14 @@
         <indexes>
             <index>
                 <key name="usernameCanonical" order="asc" />
-                <option name="safe" value="true" />
                 <option name="unique" value="true" />
             </index>
             <index>
                 <key name="emailCanonical" order="asc" />
-                <option name="safe" value="true" />
                 <option name="unique" value="true" />
             </index>
             <index>
                 <key name="confirmationToken" order="asc" />
-                <option name="safe" value="true" />
                 <option name="sparse" value="true" />
                 <option name="unique" value="true" />
             </index>