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
diff --git a/vulkan.py b/vulkan.py
index 41378dd..cc2f3c2 100755
--- a/vulkan.py
+++ b/vulkan.py
@@ -197,7 +197,7 @@
 # VK core API
 core = Extension(
     name="VK_CORE",
-    headers=["vulkan/vulkan.h", "vulkan/vk_ext_debug_report.h"],
+    headers=["vulkan/vulkan.h"],
     objects=[
         "VkInstance",
         "VkPhysicalDevice",
@@ -1144,7 +1144,7 @@
 )
 lunarg_debug_report = Extension(
     name="VK_EXT_debug_report",
-    headers=["vulkan/vk_ext_debug_report.h"],
+    headers=["vulkan/vulkan.h"],
     objects=[
         "VkDebugReportCallbackEXT",
     ],
@@ -1304,7 +1304,7 @@
 
     # make them an extension and print
     ext = Extension("VK_CORE",
-            headers=["vulkan/vulkan.h", "vulkan/vk_ext_debug_report.h"],
+            headers=["vulkan/vulkan.h"],
             objects=object_lines,
             protos=protos)
     print("core =", str(ext))