File vulkan-find.patch of Package OpenUSD

diff --git a/cmake/defaults/Packages.cmake b/cmake/defaults/Packages.cmake
index 0112058e5..0f28fc579 100644
--- a/cmake/defaults/Packages.cmake
+++ b/cmake/defaults/Packages.cmake
@@ -188,38 +188,21 @@ if (PXR_BUILD_IMAGING)
     endif()
     if (PXR_ENABLE_VULKAN_SUPPORT)
         message(STATUS "Enabling experimental feature Vulkan support")
-        if (EXISTS $ENV{VULKAN_SDK})
-            # Prioritize the VULKAN_SDK includes and packages before any system
-            # installed headers. This is to prevent linking against older SDKs
-            # that may be installed by the OS.
-            # XXX This is fixed in cmake 3.18+
-            include_directories(BEFORE SYSTEM $ENV{VULKAN_SDK} $ENV{VULKAN_SDK}/include $ENV{VULKAN_SDK}/lib $ENV{VULKAN_SDK}/source)
-            set(ENV{PATH} "$ENV{VULKAN_SDK}:$ENV{VULKAN_SDK}/include:$ENV{VULKAN_SDK}/lib:$ENV{VULKAN_SDK}/source:$ENV{PATH}")
-            find_package(Vulkan REQUIRED)
-            list(APPEND VULKAN_LIBS Vulkan::Vulkan)
-
-            # Find the extra vulkan libraries we need
-            set(EXTRA_VULKAN_LIBS shaderc_combined)
-            if (WIN32 AND CMAKE_BUILD_TYPE STREQUAL "Debug")
-                set(EXTRA_VULKAN_LIBS shaderc_combinedd)
-            endif()
-            foreach(EXTRA_LIBRARY ${EXTRA_VULKAN_LIBS})
-                find_library("${EXTRA_LIBRARY}_PATH" NAMES "${EXTRA_LIBRARY}" PATHS $ENV{VULKAN_SDK}/lib)
-                list(APPEND VULKAN_LIBS "${${EXTRA_LIBRARY}_PATH}")
-            endforeach()
-
-            # Find the OS specific libs we need
-            if (UNIX AND NOT APPLE)
-                find_package(X11 REQUIRED)
-                list(APPEND VULKAN_LIBS ${X11_LIBRARIES})
-            elseif (WIN32)
-                # No extra libs required
-            endif()
-
-            add_definitions(-DPXR_VULKAN_SUPPORT_ENABLED)
-        else()
-            message(FATAL_ERROR "VULKAN_SDK not valid")
+        find_package(Vulkan REQUIRED)
+        list(APPEND VULKAN_LIBS Vulkan::Vulkan)
+
+        # Find the extra vulkan libraries we need
+        set(EXTRA_VULKAN_LIBS shaderc_combined)
+
+        # Find the OS specific libs we need
+        if (UNIX AND NOT APPLE)
+            find_package(X11 REQUIRED)
+            list(APPEND VULKAN_LIBS ${X11_LIBRARIES})
+        elseif (WIN32)
+            # No extra libs required
         endif()
+
+        add_definitions(-DPXR_VULKAN_SUPPORT_ENABLED)
     endif()
     # --Opensubdiv
     set(OPENSUBDIV_USE_GPU ${PXR_BUILD_GPU_SUPPORT})