Hi,

Stemming from #15167 and #15647:

Is your feature request related to a problem? Please describe.

Due to value issues, separate Widnows session lock state enumerations are provided for Windows 7 and 8.x and later. Now that Windows 8.1 is the minimum OS, remove Windows 7 enumerations.

Describe the solution you'd like

Remove Windows 7 lock state enumerations.

Describe alternatives you've considered

Leave code as is.

Additional context

ONe of the places where winVersion.WIN8 constant is used in NVDA code.

Thanks.