Removed unused config

src/META-INF/jdoconfig.xml

@@ -1,12 +0,0 @@
-<?xml version="1.0" encoding="utf-8" standalone="no"?>
-<jdoconfig xmlns="http://java.sun.com/xml/ns/jdo/jdoconfig" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="http://java.sun.com/xml/ns/jdo/jdoconfig">
-
-   <persistence-manager-factory name="transactions-optional">
-       <property name="javax.jdo.PersistenceManagerFactoryClass" value="org.datanucleus.api.jdo.JDOPersistenceManagerFactory"/>
-       <property name="javax.jdo.option.ConnectionURL" value="appengine"/>
-       <property name="javax.jdo.option.NontransactionalRead" value="true"/>
-       <property name="javax.jdo.option.NontransactionalWrite" value="true"/>
-       <property name="javax.jdo.option.RetainValues" value="true"/>
-       <property name="datanucleus.appengine.autoCreateDatastoreTxns" value="true"/>
-   </persistence-manager-factory>
-</jdoconfig>