git: openjdk/jtharness: (tutorial) removing [override] type of javac warnings

[Dmitry Bessonov]

Changeset: fb930cdf
Author:    Dmitry Bessonov <dbessono at openjdk.org>
Date:      2020-10-12 00:35:32 +0000
URL:       https://git.openjdk.java.net/jtharness/commit/fb930cdf

(tutorial) removing [override] type of javac warnings

! examples/tutorial/demoapi/src/com/sun/demoapi/BigNum.java
! examples/tutorial/demoapi/src/com/sun/demoapi/lists/DoublyLinkedList.java
! examples/tutorial/demoapi/src/com/sun/demoapi/lists/LinkedList.java
! examples/tutorial/demoapi/src/com/sun/demoapi/lists/SortedList.java