rm unused change

Author: beryllw

fluss-common/src/main/java/org/apache/fluss/metadata/Schema.java

@@ -436,24 +436,15 @@ public static final class Column implements Serializable {
         private final @Nullable String comment;
 
         public Column(String columnName, DataType dataType) {
-            this(columnName, dataType, null, UNKNOWN_COLUMN_ID, false);
+            this(columnName, dataType, null, UNKNOWN_COLUMN_ID);
         }
 
         public Column(String columnName, DataType dataType, @Nullable String comment) {
-            this(columnName, dataType, comment, UNKNOWN_COLUMN_ID, false);
+            this(columnName, dataType, comment, UNKNOWN_COLUMN_ID);
         }
 
         public Column(
                 String columnName, DataType dataType, @Nullable String comment, int columnId) {
-            this(columnName, dataType, comment, columnId, false);
-        }
-
-        public Column(
-                String columnName,
-                DataType dataType,
-                @Nullable String comment,
-                int columnId,
-                boolean isAutoInc) {
             this.columnName = columnName;
             this.dataType = dataType;
             this.comment = comment;
@@ -505,7 +496,8 @@ public boolean equals(Object o) {
             Column that = (Column) o;
             return Objects.equals(columnName, that.columnName)
                     && Objects.equals(dataType, that.dataType)
-                    && Objects.equals(comment, that.comment);
+                    && Objects.equals(comment, that.comment)
+                    && Objects.equals(columnId, that.columnId);
         }
 
         @Override