[PPP-2818] removed unnecessary datepicker dependency
[PPP-2818] removed unnecessary datepicker dependency

pentaho/modeler,kolinus/modeler,SergeyTravin/modeler,e-cuellar/modeler,kolinus/modeler,rfellows/modeler,krivera-pentaho/modeler,plagoa/modeler,krivera-pentaho/modeler,kurtwalker/modeler,bytekast/modeler,plagoa/modeler,DFieldFL/modeler,SergeyTravin/modeler,pentaho/modeler,kurtwalker/modeler,bytekast/modeler,DFieldFL/modeler