This commit reverts to the original 1.1.76 header update now that Vulkan-ValidationLayers has been updated with 76 specific fixes. This reverts commit acadd71e0861c53de5319e643c15a89900680c55.
This reverts commit 81f9735a65b57446800988920233e9114bcec332. 76 Header update broke master Validation-Layers build. Will repush with accompanying fixes shortly.