Core: Remove accidentally added method to TableMetadata (apache#4155)

Author: wypoon

core/src/main/java/org/apache/iceberg/TableMetadata.java

@@ -501,10 +501,6 @@ public TableMetadata replaceCurrentSnapshot(Snapshot snapshot) {
     return new Builder(this).setCurrentSnapshot(snapshot).build();
   }
 
-  public TableMetadata replaceCurrentSnapshot(long snapshotId) {
-    return new Builder(this).setCurrentSnapshot(snapshotId).build();
-  }
-
   public TableMetadata removeSnapshotsIf(Predicate<Snapshot> removeIf) {
     List<Snapshot> toRemove = snapshots.stream().filter(removeIf).collect(Collectors.toList());
     return new Builder(this).removeSnapshots(toRemove).build();