Remove HIPPOFACTS logic and bindle client

As of Hippo 0.6, the wagi runtime has been replaced with the Spin
runtime. The Spin CLI plans to implement commands like `spin deploy`
which will be used to package and distribute a Spin application to
Hippo.[1]

This change reduces the Hippo CLI to the bare minimum. The new role of
the Hippo CLI is to implement all of the endpoints available through the
hippo-openapi project. This is to help serve as a reference point for
those looking to write their own Hippo clients against the
hippo-openapi[2] project (like Spin), and it could also serve as a
useful administrator tool looking to inspect and/or understand the Hippo
API.

[1]: spinframework/spin#304
[2]: https://github.com/fermyon/hippo-openapi

Signed-off-by: Matthew Fisher <[email protected]>

README.md

@@ -96,7 +96,7 @@ cargo build --release
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