Vulkan has no purpose for this

Bug: b/124177079
Change-Id: If2a3c824fac2645386091f6104c89a079f242d22
Reviewed-on: https://swiftshader-review.googlesource.com/c/24588Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Ben Clayton <bclayton@google.com>
Tested-by: Chris Forbes <chrisforbes@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>