Remove dEQP-ism from generated CTS helpers #872

Job	Run time
Verify repository license compliance	36s
Run Vulkan CTS framework tests to validate against XML changes	1m 36s
Build the core-only spec, to try and catch ifdef errors in extension markup	49s
Build the vulkan specification and generate any associated files (such as vulkan.h)	6m 12s
Build a test spec and check against expectation, to make sure the spec toolchain works as expected	1m 11s
Run various checker scripts on the spec and XML sources	42s
Generate Rust bindings (Ash crate)	37s
Compile a simple test program that uses vulkan.h	7s
Generate the vulkan C++ header (vulkan.hpp)	58s
Build-test Rust bindings (Ash crate)	47s
Compile a simple test program that uses vulkan.hpp	22s
	13m 57s

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