TDI-30496: remove the unuseful method from log4jfileutil
https://jira.talendforge.org/browse/TDI-30496
TDI-30496: remove the reference point of log4jfileutil
https://jira.talendforge.org/browse/TDI-30496
TBD-981 : Support for Amazon EMR (based on Hadoop 2.0) in DI part