refactor!: remove not core modules

[dongsam]

Description

Remove Canto Additional Ethermint Dependent Modules

• CSR

Remove IBC Modules

• IBC
• Transfer

Remove Cosmos SDK Optional Modules

• Authz

Remove Canto Additional Ethermint/IBC Dependent Modules

• Onboarding
• Coinswap

TODO

• re-generation proto, *.pb.go, Swagger
• check simulations

Author Checklist

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please add links to any relevant follow up issues.

I have...

• targeted the correct branch (see PR Targeting)
• provided a link to the relevant issue or specification
• included the necessary unit and integration tests
• reviewed "Files changed" and left comments if necessary

Reviewers Checklist

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your handle next to the items reviewed if you only reviewed selected items.

I have...

• confirmed all author checklist items have been addressed
• reviewed state machine logic
• reviewed API design and naming
• reviewed documentation is accurate
• reviewed tests and test coverage
• manually tested (if applicable)

[jasonsong0]

LGTM apart from a comment above.
Is client doc automatically generated? If not, it seems better to delete the docs for deleted modules

[jasonsong0]

LGTM