Revert "Settings: update Helpers.java"

This reverts commit 71bf1a80cea22c6d5fed437113fc3d7510726a8a.
Revert "Settings: update DisplaySettings.java"

This reverts commit 8da9fc98f7fc9db625b3a57384c70074d22a4f41.
Revert "Settings: LCD Density (2/2)"

This reverts commit 2ed89e30b71d19e97fa55a020e9c50a71fb8e9e8.