Remove complementary depth buffer option for Vulkan

Remove complementary depth buffer option for Vulkan

Bug: b/128363727
Change-Id: Id75e138deda980f57b7bd07192b1353b2b414fd8
Reviewed-on: https://swiftshader-review.googlesource.com/c/SwiftShader/+/26988
Tested-by: Chris Forbes <chrisforbes@google.com>
Presubmit-Ready: Chris Forbes <chrisforbes@google.com>
Reviewed-by: Nicolas Capens <nicolascapens@google.com>
Reviewed-by: Alexis Hétu <sugoi@google.com>
Kokoro-Presubmit: kokoro <noreply+kokoro@google.com>