Remove primary index from Blockstore special-column keys #2261

Job	Run time
cargo-test-sbf (token/program)	13m 7s
check	0s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	26m 1s
test	0s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	21m 46s
cargo-test-sbf (token-upgrade/program)	19m 33s
cargo-test-sbf (feature-proposal/program)	14m 24s
cargo-test-sbf (governance/addin-mock/program, governance/program)	19m 33s
cargo-test-sbf (memo/program)	11m 47s
cargo-test-sbf (name-service/program)	21m 16s
cargo-test-sbf (stake-pool/program)	23m 14s
cargo-test-sbf (single-pool/program)	13m 50s
	3h 4m 31s

Provide feedback