RFR: 8205137: Remove Applet support from SwingSet2

[Phil Race]

On Wed, 8 Sep 2021 23:59:34 GMT, Alisen Chung <github.com+90066231+alisenchung at openjdk.org> wrote:

> > The files that have JUST a (c) date update should all be reverted. You haven't touched them so there is nothing to (c).
> 
> I just removed the java.applet.* import for all of them. Should I revert the date if there's no other content change?

Hmm .. I missed the delete.
Well .. what were those imports for ? Nothing used them.
Now, although arguably a separate issue, we have precedent for cleaning up imports at such a time.
There are LOTS of wild card imports. 
I'd like you to update this to current practice to explicitly enumerate the classes needed
so rather than 
import java.util.*;

import java.util.Map
etc ..
JUST those needed.

Then we may actually have something worthy of updating a (c) ..

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PR: https://git.openjdk.java.net/jdk/pull/5401