RFR: 8261750: Remove internal class sun.net.www.MimeLauncher

[Alan Bateman]

On Mon, 15 Feb 2021 18:30:58 GMT, Julia Boes <jboes at openjdk.org> wrote:

> This change removes sun.net.www.MimeLauncher, a package-private class that is no longer used.
> 
> The sun.net.www package is exported to java.net.http and jdk.jartool. The only public access point to a MimeLauncher instance is sun.net.www.MimeEntry::launch, which is not called anywhere in those two package. A related public class, sun.net.www. ApplicationLaunchException, is no longer used anywhere. Therefore, these two can also be considered for removal.

Marked as reviewed by alanb (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/2580