Remove dEQP-ism from generated CTS helpers #871

Job	Run time
Build the vulkan specification and generate any associated files (such as vulkan.h)	6m 4s
Verify repository license compliance	31s
Run Vulkan CTS framework tests to validate against XML changes	1m 46s
Build the core-only spec, to try and catch ifdef errors in extension markup	50s
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	54s
Generate the vulkan C++ header (vulkan.hpp)	1m 3s
Compile a simple test program that uses vulkan.h	7s
Generate Rust bindings (Ash crate)	51s
Build-test Rust bindings (Ash crate)	58s
Compile a simple test program that uses vulkan.hpp	23s
	14m 38s

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