Remove Flake8 extension and adjust linting settings in devcontainer c… #18

Job	Run time
Test (3.12)	36s
deploy / Setup	7s
deploy / deploy-staging / build-aws / Build (staging)	27s
deploy / deploy-staging / build-gcp	0s
deploy / deploy-staging / deploy-gcp-staging	0s
deploy / deploy-staging / deploy-staging-aws / Deploy (staging)	6s
deploy / Run Staging Validation Tests	-1s
deploy / Await Manual Approval (Tests Failed)	0s
deploy / deploy-production	0s
	1m 15s

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