x11: Drop support for private colormaps
According to 4b686a204250b4416fce79fa55b8a89c5193de38 in kde-workspace, the support for private colormaps was mainly useful to 8bit displays, which are relic of time now.
Edited by Vlad Zahorodnii
According to 4b686a204250b4416fce79fa55b8a89c5193de38 in kde-workspace, the support for private colormaps was mainly useful to 8bit displays, which are relic of time now.