cleanup

Author: andrus

jjava-jupyter/src/main/java/org/dflib/jjava/jupyter/kernel/comm/CommTarget.java

@@ -5,7 +5,7 @@
 
 @FunctionalInterface
 public interface CommTarget {
-    
+
     /**
      * Create a new comm as a result of the frontend making a {@code comm_open} request. This
      * is designed to be a constructor reference to a class that extends {@link Comm} overriding

jjava-jupyter/src/main/java/org/dflib/jjava/jupyter/kernel/history/HistoryEntry.java

@@ -12,13 +12,6 @@ public class HistoryEntry {
      */
     protected final String output;
 
-    public HistoryEntry(int session, int cellNumber, String input) {
-        this.session = session;
-        this.cellNumber = cellNumber;
-        this.input = input;
-        this.output = null;
-    }
-
     public HistoryEntry(int session, int cellNumber, String input, String output) {
         this.session = session;
         this.cellNumber = cellNumber;