refactor(crisis & vesting): remove global bech32

[tac0turtle]

Description

Closes: #XXXX

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[julienrbrt]

Looks like some tests need to be updated: https://github.com/cosmos/cosmos-sdk/actions/runs/4721224184/jobs/8374260681 / https://github.com/cosmos/cosmos-sdk/actions/runs/4721224184/jobs/8374260964