* Bump Tendermint version to v0.33.0
* Deprecate old cmn package with new packages
* Update update DB APIs
* More DB updates
* Bump IAVL to v0.13.0
* Handle error returned by iavl.NewMutableTree
* Fix some IAVL stuffs
* Update IAVL
* More updates
* Passing tests
* Fix unit tests
Co-authored-by: Jack Zampolin <jack.zampolin@gmail.com>
Gaia is removed from cosmos-sdk repository.
Few changes were required to make sure no packages depend on gaia subpackages.
CI config is amended accordingly.
Unnecessary targets are removed from Makefile.
Simulations run through a lightweight version of gaia renamed to simapp.
Closes: #4104