windows: Update `WindowsDisplay::frequency()` (#10476)

A subsequent update introduced the `HMONITOR` value to the
`WindowsDisplay` struct, eliminating the need for polling to retrieve
this value.

Release Notes:

- N/A
104558115f张小白 committed on 4/12/2024, 7:19:49 PM· committed by GitHubparent4e6f24a
1 file changedLine totals unavailable