gestures: remove screen_x/y_dpi

Remove deprecated `screen_x_dpi` and `screen_y_dpi` fields from
`HardwareProperties` struct.

BUG=b:260071241
TEST=`FEATURES=test emerge-brya gestures`

Cq-Depend: 5434142
Change-Id: I19dbd33c6430f782445cc7737b498b66114c0767
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/gestures/+/5436195
Reviewed-by: Henry Barnor <[email protected]>
Commit-Queue: Saketh Pothireddy <[email protected]>
Reviewed-by: Torsha Banerjee <[email protected]>
Code-Coverage: Zoss <[email protected]>
Tested-by: Torsha Banerjee <[email protected]>
Tested-by: Saketh Pothireddy <[email protected]>
27 files changed