vulkan/radv/venus: remove the VkPhysicalDeviceMemoryProperties workaround
cts fix landed in vulkan-cts-1.2.5 while mesa CI has bumped once already from vulkan-cts-1.3.1.0 to vulkan-cts-1.3.1.1, which contains the fix.
TEST: dEQP-VK.api.info.get_physical_device_properties2.memory_properties