Fixed a bug in ReplicatedChronicleMap -- forgot to drop relocated entry

mod iter bits

src/main/java/net/openhft/chronicle/map/ReplicatedChronicleMap.java

@@ -429,6 +429,11 @@ final class ReplicatedChronicleMap<K, KI, MKI extends MetaBytesInterop<K, ? supe
             }
         }
 
+        @Override
+        void beforeRelocation() {
+            m().dropChange(segmentIndex, pos);
+        }
+
         @Override
         boolean freeListBitsSet() {
             // As of now, ReplicatedChMap's remove() never clear the bits