[cleanup] Remove unused imports

Author: hazendaz

src/test/java/org/apache/ibatis/type/ArrayTypeHandlerTest.java

@@ -19,8 +19,6 @@
 import org.mockito.Mock;
 
 import java.sql.Array;
-import java.sql.Timestamp;
-import java.util.Date;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertNull;