[fix](statistics)Fix alter column stats not forward to master bug (#29786)

Alter column stats operation need to write bdbje, so it should be forwarded to master to execute. Otherwise, the operation on follower/observer will cause the FE crash.

fe/fe-core/src/main/java/org/apache/doris/analysis/AlterColumnStatsStmt.java

@@ -191,9 +191,4 @@ public class AlterColumnStatsStmt extends DdlStmt {
     public String getValue(StatsType statsType) {
         return statsTypeToValue.get(statsType);
     }
-
-    @Override
-    public RedirectStatus getRedirectStatus() {
-        return RedirectStatus.NO_FORWARD;
-    }
 }