replace solana-client with its constituent parts where possible #7281

Job	Run time
cargo-test-sbf (token/program)	8m 38s
check	2m 10s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	15m 53s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	15m 13s
test (single-pool/cli, single-pool/program)	15m 51s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	8m 25s
test (token-upgrade/cli, token-upgrade/program)	14m 16s
cargo-test-sbf (token-upgrade/program)	8m 16s
cargo-test-sbf (feature-proposal/program)	8m 42s
cargo-test-sbf (governance/addin-mock/program, governance/program)	12m 3s
cargo-test-sbf (memo/program)	8m 43s
cargo-test-sbf (name-service/program)	8m 58s
cargo-test-sbf (stake-pool/program)	11m 30s
cargo-test-sbf (single-pool/program)	9m 31s
	2h 28m 9s

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