chore: Remove hir to ast pass #7490

Job	Run time
build-nargo	2m 26s
build-noirc-abi	2m 18s
build-acvm-js	1m 27s
build-noir-wasm	3m 42s
ACVM JS (Browser)	1m 13s
ACVM JS (Node.js)	42s
noirc_abi	1m 11s
noir-js-backend-barretenberg	48s
noir_codegen	59s
Example scripts	13s
Noir JS	1m 32s
Integration Tests (Node)	1m 38s
noir_wasm	1m 36s
Integration Tests (Browser)	2m 9s
End	1s
	21m 55s

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