refactor out namada crate #50

Job	Run time
changelog	16s
check-packages	4m 7s
build-wasm (wasm, build-wasm-scripts, wasm/tx_.wasm wasm/vp_.wasm wasm/checksums.json )	3m 56s
build-binaries	7m 59s
build-wasm (wasm-for-tests, build-wasm-tests-scripts, wasm_for_tests/*.wasm)	3m 4s
lints	4m 36s
check-benchmarks	8m 36s
test-unit	10m 16s
test-integration	11m 53s
test-wasm	3m 36s
test-e2e (0)	25m 40s
test-e2e (1)	20m 27s
test-e2e (2)	20m 28s
test-e2e (3)	16m 57s
test-e2e (4)	19m 24s
	2h 41m 15s

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