chore: Remove the remainder of legacy code #9704

Job	Run time
build-acvm-js	1m 25s
build-noir-wasm	4m 2s
build-noirc-abi	1m 39s
build-nargo	2m 37s
ACVM JS (Browser)	1m 13s
ACVM JS (Node.js)	41s
noirc_abi	1m 32s
Example scripts	14s
Noir JS	1m 9s
noir_codegen	1m 4s
Check external repo - AztecProtocol/aztec-nr	9s
Check external repo - AztecProtocol/aztec-packages	10s
Check external repo - zac-williamson/noir-edwards	6s
Integration Tests (Browser)	2m 50s
Integration Tests (Node)	2m 10s
noir_wasm	1m 57s
End	1s
	22m 59s

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