BISERVER-9572 - IE - New Data Source Wizard - Import File - cursor issue...

... with the file name text box.

remove some css styles, they will harm changes in pentaho-xul-gwt module

This pull request is relative to pentaho/pentaho-commons-xul BISERVER-9572 request sent from me.
https://github.com/pentaho/pentaho-commons-xul/pull/53