Revert "Option to enable Notification Light when screen is on [2/2]"

This reverts commit 892d5a529e879b0d3cd4538b8dc52297a5bf29df.
Revert "Remove notification pulse and light for devices without LED"

This reverts commit bea15cf9369940345eca10801dc46a05abe5d993.
Revert "[1/2] Settings: instant led test"

This reverts commit 99270ffa5f349d7b501eef543a6c1fc0bc4d25b9.