layers: GH485, Remove redundant format props check
layers: GH485, Remove redundant format props check

With new checks in place for CreateImage, old check in CreateRenderPass
is redundant and can be removed.

Change-Id: I53e5201f453041b3c8ba17edc193c1f3b142f4cb

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