Remove attempted leak fix.

This was never upstreamed.

Change-Id: If3e8d8c1df8d051b3fcefd1e36c25d3c6f9494e3
Reviewed-on: https://fuchsia-review.googlesource.com/c/third_party/Vulkan-ValidationLayers/+/751264
Reviewed-by: Yilong Li <liyl@google.com>
diff --git a/layers/parameter_validation_utils.cpp b/layers/parameter_validation_utils.cpp
index ca0c622..d8395cd 100644
--- a/layers/parameter_validation_utils.cpp
+++ b/layers/parameter_validation_utils.cpp
@@ -373,7 +373,6 @@
         tmp_features2_state.features = {};
     }
     // Use pCreateInfo->pNext to get full chain
-    FreePnextChain(stateless_validation->device_createinfo_pnext);
     stateless_validation->device_createinfo_pnext = SafePnextCopy(pCreateInfo->pNext);
     stateless_validation->physical_device_features2 = tmp_features2_state;
 }