RFR: 4890041: Remove TAB and Shift TAB from Popup Menu in Motif Look & Feel

[Alexander Zvegintsev]

On Fri, 22 Jul 2022 09:23:41 GMT, Prasanta Sadhukhan <psadhukhan at openjdk.org> wrote:

> This is a cleanup of unneeded TAB and Shift TAB keybindings for PopupMenu.selectedWindowInputMapBindings which is consistent with other L&Fs as can be seen here
> 
> https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/plaf/basic/BasicLookAndFeel.java#L1131
> 
> https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/javax/swing/plaf/synth/SynthLookAndFeel.java#L702
> 
> https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/com/sun/java/swing/plaf/gtk/GTKLookAndFeel.java#L806
> 
> No regression test added for this code cleanup

Marked as reviewed by azvegint (Reviewer).

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PR: https://git.openjdk.org/jdk/pull/9609