JTA attribute not available in EAP 6.3

Issue

• Getting Unexpected attribute 'jta' encountered exception in JBoss EAP 6.3 ?

Caused by: javax.xml.stream.XMLStreamException: ParseError at [row,col]:[1125,21]
Message: JBAS014788: Unexpected attribute 'jta' encountered
    at org.jboss.as.controller.parsing.ParseUtils.unexpectedAttribute(ParseUtils.java:105) [jboss-as-controller-7.4.0.Final-redhat-19.jar:7.4.0.Final-redhat-19]
    at org.jboss.as.connector.subsystems.datasources.DsParser.parseXADataSource_1_0(DsParser.java:394)
    at org.jboss.as.connector.subsystems.datasources.DsParser.parseDataSources(DsParser.java:215)
    at org.jboss.as.connector.subsystems.datasources.DsParser.parse(DsParser.java:171)
    at org.jboss.as.connector.subsystems.datasources.DataSourcesExtension$DataSourceSubsystemParser.readElement(DataSourcesExtension.java:579)
    ... 13 more