Remove llndk_headers module am: 1783d5ae80 am: 6ae5c9eebf am: a8ded2ce21 am: 0718220547

Original change: https://android-review.googlesource.com/c/platform/external/vulkan-headers/+/1687465

Change-Id: I09435f9a0c699002804155edf2897a30de9776a7