chore(katana): clean up txn hash test #6309

Job	Run time
cairofmt	6s
clippy	4m 50s
dojo-core-test	5m 8s
docs	2m 20s
dojo-spawn-and-move-example-test	4m 37s
dojo-world-bindings-check	2m 35s
ensure-wasm	1m 38s
ensure-windows	10m 48s
fmt	1m 23s
test	13m 14s
test-hurl	1m 18s
	47m 57s

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