deleted patientRegimen patientRegimenCurrent and patientRegimenCompleted jsp pages and DrugSetItem class

Conflicts:
	webapp/src/main/webapp/WEB-INF/view/portlets/patientRegimen.jsp
	webapp/src/main/webapp/WEB-INF/view/portlets/patientRegimenCompleted.jsp
	webapp/src/main/webapp/WEB-INF/view/portlets/patientRegimenCurrent.jsp