refactor token crates #7513

Job	Run time
build-wasm (ubuntu-latest, v2, 2.4.0)	6m 20s
namada-release (ubuntu-latest, 2.4.0, ABCI Release build)	13m 10s
test-wasm (ubuntu-latest, v2, nightly-2023-06-01, 2.4.0)	8m 30s
run-benchmarks (ubuntu-latest, nightly-2023-06-01, 2.4.0, ABCI)	35m 57s
test-integration (ubuntu-latest, nightly-2023-06-01, 2.4.0, ABCI)	7m 27s
test-unit (ubuntu-latest, nightly-2023-06-01, 2.4.0, ABCI)	20m 35s
upload-wasm (ubuntu-latest, v2, nightly-2023-06-01, 2.4.0)	13s
namada-e2e (ubuntu-latest, nightly-2023-06-01, 2.4.0, 0.37.2, 1.7.4-namada-beta7, 0)	20m 23s
namada-e2e (ubuntu-latest, nightly-2023-06-01, 2.4.0, 0.37.2, 1.7.4-namada-beta7, 1)	23m 18s
namada-e2e (ubuntu-latest, nightly-2023-06-01, 2.4.0, 0.37.2, 1.7.4-namada-beta7, 2)	25m 22s
namada-e2e (ubuntu-latest, nightly-2023-06-01, 2.4.0, 0.37.2, 1.7.4-namada-beta7, 3)	20m 26s
	3h 1m 41s

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