remove unused direct annotation impl CustomizableColumns

hibernate-core/src/main/java/org/hibernate/cfg/annotations/CustomizableColumns.java

@@ -1,31 +0,0 @@
-/*
- * Hibernate, Relational Persistence for Idiomatic Java
- *
- * License: GNU Lesser General Public License (LGPL), version 2.1 or later.
- * See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
- */
-package org.hibernate.cfg.annotations;
-import java.lang.annotation.Annotation;
-import jakarta.persistence.Column;
-
-import org.hibernate.annotations.Columns;
-
-/**
- * @author Emmanuel Bernard
- */
-@SuppressWarnings({ "ClassExplicitlyAnnotation" })
-public class CustomizableColumns implements Columns {
-	private final Column[] columns;
-
-	public CustomizableColumns(Column[] columns) {
-		this.columns = columns;
-	}
-
-	public Column[] columns() {
-		return columns;
-	}
-
-	public Class<? extends Annotation> annotationType() {
-		return Columns.class;
-	}
-}