layers: Remove CmdCopyImage from image layer
layers: Remove CmdCopyImage from image layer

Change-Id: I54c5e356b97c2c755a9b360e745a50da48776f21

KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools,KhronosGroup/Vulkan-Tools