Remove incorrect usage of layout(std430) on uniform buffers, correctly now treated as error in the latest release of Vulkan SDK. (#49572)
Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/49572
Differential Revision: D25729888
Test Plan: Imported from OSS
Reviewed By: SS-JIA
Pulled By: AshkanAliabadi
fbshipit-source-id: 15dd4acef3dfae72f03e7e3085b1ff5936becf3d
