header: Update 1.0.3 header revision for inclusion of debug report extension
header: Update 1.0.3 header revision for inclusion of debug report extension

Removed vk_ext_debug_report.h (contents moved into vulkan.h)
Renamed debug report message enums

KhronosGroup/Vulkan-Headers,KhronosGroup/Vulkan-Headers,KhronosGroup/Vulkan-Headers