Remove public constructor for MostRecentChecksum after rebase

dspace-api/src/main/java/org/dspace/checker/MostRecentChecksum.java

@@ -68,9 +68,6 @@ public class MostRecentChecksum implements Serializable
     {
     }
 
-    public MostRecentChecksum() {
-    }
-
     public Bitstream getBitstream() {
         return bitstream;
     }