llvm-project

ebfb16a2 - Revert "[CAS] Add OnDiskDataAllocator (#161264)"

Revert "[CAS] Add OnDiskDataAllocator (#161264)" This reverts commit 08e95405752e6d3475afdebe3bd5f2ff2ff17712. Doesn't build on some bots, see comments on https://github.com/llvm/llvm-project/pull/161264