R1:0ac58d7db6c5

Move repository URI normalization out of PullLocalDaemon

Summary: Ref T4327. Moves us one small step forward toward testable change parsers by separating out this unrelated logic from the PullLocal daemon. We will also probably want to run this logic so we can do remote path lookups to limit the role of Arcanist Projects in the future, which is why I made the URI type (here, only "git") a parameter rather than calling this a `GitURINormalizer` or something.

Test Plan:
- Ran unit tests.
- Ran…