refactor(tvix/eval): clean up unused attrpath normalisation logic r/4985

The previous way of sanitising dynamic keys is going away as we're
slowly introducing the new nested key logic.

While touching this stuff, I've also changed all the related string
types to SmolStr as that is more sensible for identifiers.

Change-Id: If30c74151508719d646d0e68e7d6f62c36f4d23f
Reviewed-on: https://cl.tvl.fyi/c/depot/+/6779
Tested-by: BuildkiteCI
Reviewed-by: sterni <sternenseemann@systemli.org>

0 files changed, 0 insertions, 0 deletions