fix: Remove unused import

Author: Stefan Steinhauser

src/test/java/net/sf/jsqlparser/statement/delete/DeleteTest.java

@@ -30,7 +30,6 @@
 import net.sf.jsqlparser.statement.select.SelectItem;
 import net.sf.jsqlparser.statement.select.WithItem;
 import net.sf.jsqlparser.statement.update.Update;
-import net.sf.jsqlparser.test.TestUtils;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.params.ParameterizedTest;
 import org.junit.jupiter.params.provider.ValueSource;