bug 13038: Remove support for multiple GPUs

https://cvs.khronos.org/bugzilla/show_bug.cgi?id=13038
diff --git a/tests/blit_tests.cpp b/tests/blit_tests.cpp
index 3c2a8b6..b2a13ec 100644
--- a/tests/blit_tests.cpp
+++ b/tests/blit_tests.cpp
@@ -784,7 +784,7 @@
         memset(&mem_info, 0, sizeof(mem_info));
         mem_info.sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO;
         mem_info.allocationSize = mem_req.size;
-        mem_info.memProps = VK_MEMORY_PROPERTY_SHAREABLE_BIT;
+        mem_info.memProps = 0;
         err = vkAllocMemory(dev_.obj(), &mem_info, &event_mem);
         ASSERT_VK_SUCCESS(err);