gRPC ListPeers fails due to missing variant SENT_REMOVE_COMMIT

[2Fast2BCn]

When calling the gRPC we receive the following error:

rpc error:
code = Unknown
desc = Error calling method ListPeers:
  RpcError {
    code: None,
    message: "Malformed response from lightningd: unknown variant `SENT_REMOVE_COMMIT`, expected one of `SENT_ADD_HTLC`, `SENT_ADD_COMMIT`, `RCVD_ADD_REVOCATION`, `RCVD_ADD_ACK_COMMIT`, `SENT_ADD_ACK_REVOCATION`, `RCVD_ADD_ACK_REVOCATION`, `RCVD_REMOVE_HTLC`, `RCVD_REMOVE_COMMIT`, `SENT_REMOVE_REVOCATION`, `SENT_REMOVE_ACK_COMMIT`, `RCVD_REMOVE_ACK_REVOCATION`"
 }

[cdecker]

The schemas appear to have sliced that enum based on where it is being used, which means that when we copied one instance to build the HtlcState enum in the Rust library we were missing the states that could not appear in that particular instance, however they may appear in other instances.

I have a version that combines all HTLC states into single enum. Interestingly enough I seem to have stumbled over this before and only the cln-grpc crate was missing some entires, but the error points at cln-rpc. I'll publish my fix, but leave this open because I'm not sure this is the fix we need.