RFR: 8277504: Use String.stripTrailing instead of hand-crafted method in SwingUtilities2

[Pankaj Bansal]

On Wed, 17 Nov 2021 19:57:19 GMT, Andrey Turbanov <duke at openjdk.java.net> wrote:

> There is opportunity to use String.stripTrailing() method in java.desktop in SwingUtilities2 class.

Marked as reviewed by pbansal (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/6436