[clang] Revert "[Sema] Add check for bitfield assignments to integral types" (PR #68963)

[via cfe-commits]

vabridgers wrote:

> Original PR - #68276 FYI you do not need to make a PR to revert a change that breaks the build - especially your own

revert is merged, thanks for the advice. Best

https://github.com/llvm/llvm-project/pull/68963