chore: remove aztec compile time feature flag #809

Job	Run time
build-acvm-js	3m 25s
build-nargo	2m 6s
build-noirc-abi	3m 37s
build-noir-wasm	5m 22s
source-resolver	32s
ACVM JS (Node.js)	19s
ACVM JS (Browser)	54s
noirc_abi	35s
noir-js-backend-barretenberg	36s
Noir JS	1m 12s
noir_codegen	49s
noir_wasm	1m 2s
Integration Tests	8m 44s
End	1s
	29m 14s

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