chore(stdlib)!: Remove Schnorr #16434

Job	Run time
build-nargo	2m 30s
yarn-lock	1m 3s
build-noirc-abi	1m 18s
build-noir-wasm	3m 35s
build-acvm-js	1m 28s
Load critical library list	3s
noirc_abi	1m 36s
ACVM JS (Node.js)	37s
ACVM JS (Browser)	1m 19s
Example scripts	11s
noir_codegen	1m 2s
Noir JS	59s
Check external repo - ${{ matrix.project.repo }}	0s
Integration Tests (Node)	2m 19s
Integration Tests (Browser)	1m 44s
noir_wasm	1m 28s
End	1s
	21m 13s

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