management-console event editing: removed unused import

Author: axeluhl

java/com.sap.sailing.gwt.ui/src/main/java/com/sap/sailing/gwt/managementconsole/places/event/edit/EditEventActivity.java

@@ -2,7 +2,6 @@
 
 import java.util.ArrayList;
 import java.util.Date;
-import java.util.HashMap;
 import java.util.List;
 import java.util.UUID;