SAMPLES: Fixed memory leak in init_swap_chain.
SAMPLES: Fixed memory leak in init_swap_chain.

We were leaking the presentMode array data.

Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples,Radamanthe/VulkanSamples