logging: print string instead of callback (#6178)
logging: print string instead of callback (#6178)

## Description

Fixes marshaling error in sdk

closes https://github.com/cosmos/cosmos-sdk/issues/8578

the output stays the same, we are avoiding the passing of the callback because sdk uses typed logging.

Co-authored-by: Marko <d32c6d9e4f32928f8497b4e6df66c8d9233a805d@yahoo.com>
tendermint/tendermint,tendermint/tendermint,tendermint/tendermint,tendermint/tendermint