cleanups to SqmUtil

Author: gavinking

hibernate-core/src/main/java/org/hibernate/dialect/function/xml/HANAXmlTableFunction.java

@@ -30,7 +30,6 @@
 import org.hibernate.query.sqm.tree.expression.SqmXmlTableFunction;
 import org.hibernate.spi.NavigablePath;
 import org.hibernate.sql.Template;
-import org.hibernate.sql.ast.SqlAstNodeRenderingMode;
 import org.hibernate.sql.ast.SqlAstTranslator;
 import org.hibernate.sql.ast.internal.ColumnQualifierCollectorSqlAstWalker;
 import org.hibernate.sql.ast.spi.FromClauseAccess;