Remove pub visibility from functions in scheduler_metrics (#3224) #11804

Job	Run time
check	3m 9s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	20m 6s
cargo-test-sbf (token/program)	8m 23s
test (single-pool/cli, single-pool/program)	20m 27s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	16m 2s
test (token-upgrade/cli, token-upgrade/program)	17m 33s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	9m 57s
cargo-test-sbf (token-upgrade/program)	8m 16s
cargo-test-sbf (feature-proposal/program)	8m 49s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 3s
cargo-test-sbf (memo/program)	9m 32s
cargo-test-sbf (name-service/program)	9m 40s
cargo-test-sbf (stake-pool/program)	11m 58s
cargo-test-sbf (single-pool/program)	9m 4s
	2h 44m 59s

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