remove superfluous usage of allow(dead_code) (#1669) #463

Job	Run time
check	2m 56s
cargo-test-sbf (token/program)	9m 19s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	18m 43s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	14m 38s
test (single-pool/cli, single-pool/program)	19m 29s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 1s
test (token-upgrade/cli, token-upgrade/program)	17m 32s
cargo-test-sbf (token-upgrade/program)	9m 29s
cargo-test-sbf (feature-proposal/program)	8m 26s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 41s
cargo-test-sbf (memo/program)	7m 41s
cargo-test-sbf (name-service/program)	9m 39s
cargo-test-sbf (stake-pool/program)	13m 22s
cargo-test-sbf (single-pool/program)	9m 38s
	2h 43m 34s

Provide feedback