[llvm] [RemoveDIs] Print non-intrinsic debug info in textual IR output (PR #79281)

[Stephen Tozer via llvm-commits]

SLTozer wrote:

> (Not sure what the convention is on landing / approving while @phyBrackets still has a request-changes bit on the PR?)

He's already manually accepted the current state, so no issue there. Patch needs rebasing before merging though!

https://github.com/llvm/llvm-project/pull/79281