chore: remove docker CI flow #5591

Job	Run time
build-nargo	5m 50s
build-noirc-abi	2m 39s
build-noir-wasm	4m 56s
build-acvm-js	2m 32s
ACVM JS (Browser)	1m 28s
ACVM JS (Node.js)	36s
noirc_abi	45s
noir-js-backend-barretenberg	42s
noir_wasm	1m 5s
Noir JS	1m 37s
noir_codegen	1m 22s
Integration Tests (Node)	3m 33s
Integration Tests (Browser)	5m 22s
End	1s
	32m 28s

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