feat: simplify `BoundedVec::eq` #6027

Job	Run time
build-nargo	2m 27s
build-noirc-abi	1m 53s
build-acvm-js	1m 23s
build-noir-wasm	3m 39s
ACVM JS (Node.js)	42s
ACVM JS (Browser)	1m 32s
noir-js-backend-barretenberg	44s
noirc_abi	1m 2s
Noir JS	1m 33s
noir_codegen	1m 1s
Integration Tests (Browser)	5m 16s
Integration Tests (Node)	4m 5s
noir_wasm	1m 7s
End	1s
	26m 25s

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