Revert "[CUBLAS][CUDA GRAPHS] Explicitly set the workspace for cuBLAS handles (#83461)"
This reverts commit 713d8b855223970dc98ec81bb722fba002ac1390.
Reverted https://github.com/pytorch/pytorch/pull/83461 on behalf of https://github.com/malfet due to Broke CUDA-10.2 builds, see https://hud.pytorch.org/pytorch/pytorch/commit/713d8b855223970dc98ec81bb722fba002ac1390
