Depinject refactoring

[ivivanov]

Prepare nolus-core to migrate to start using depinject package from cosmos-sdk.

Blockers:

• In order to finalize app_config we need module.proto for couple of external modules. The maintainers must migrate: wasm, ibc, neutron

[ivivanov]

After we start using the newly generate proto files in api/nolus check if we still need the old *.pb.go files