path: remove outdated documentation point from `get_unique_push_path` This is no longer true.

path: pass `path` to `peer` in `hg pull` We directly use the `path` object to build the `peer` object. We don't use it for sub-repositories yet, which will have to be fixed at some point.

path: pass `path` to `peer` in `hg incoming` We directly use the `path` object to build the `peer` object. We don't use it for sub-repositories yet, which will have to be fixed at some point.

path: pass `path` to `peer` in `hg incoming` bookmark logic We directly use the `path` object to build the `peer` object. Touching this code highlighted that we never honor the branches' information of when doing bookmark level incoming checks.

path: remove outdated documentation point from `get_unique_pull_path` This is no longer true.

path: update `get_unique_pull_path` to point out it returns a url Unlike other functions in this module it returns a url as `bytes` and not a `path` object. Let us point it out in the doc.

changelog-v2: fix the docket `struct` The previous definition used `L` which is actually 4 bytes, while the documentation and intend was to use `Q`, i.e. 8 bytes.

path: pass `path` to `peer` in infinite push We directly use the `path` object to build the `peer` object.

path: pass `path` to `peer` in `hg histedit` We directly use the `path` object to build the `peer` object.

path: pass `path` to `peer` in the `outgoing` revset We directly use the `path` object to build the `peer` object.