* x/ibc: move /types to /common
* x/ibc/types: remove errors
* remove mocked proofs
* remove invalidProof{}
* create new ibc/types dir
* format
* move keys to host
* move order to channel
* move channel state
* move connection state
* lint
* x/ibc: move /types to /common
* x/ibc/types: remove errors
* remove mocked proofs
* remove invalidProof{}
* create new ibc/types dir
* format
* move keys to host
* move order to channel
* move channel state
* move connection state
* lint