Revert "board: mako: display: customize the screen color values to my liking. Colors seem more deep (closer to an AMOLED) while keeping the blacks and greys in a decent level that doesn't turn the device screen too dark while using auto brightness or lower brightness %. Whites are much closer to the real white, which makes me very happy."

This reverts commit 30c8d6a9791a97ecfc8a0bd71f705caa65a2f31a.

Change-Id: Ib67b70a4f44e7acfe2e56b064f4ff3915ce6d2e4