v2.0: Removes deprecated --incremental-snapshots cli arg (backport of #2132) #7450

Job	Run time
check	3m 24s
test (token/cli, token/program, token/program-2022, associated-token-account/program, instruction...	20m 10s
test (single-pool/cli, single-pool/program)	20m 28s
test (token-upgrade/cli, token-upgrade/program)	18m 4s
cargo-test-sbf (token/program)	10m 19s
cargo-test-sbf (instruction-padding/program, token/program-2022, token/program-2022-test)	14m 46s
cargo-test-sbf (associated-token-account/program, associated-token-account/program-test)	10m 3s
cargo-test-sbf (token-upgrade/program)	9m 32s
cargo-test-sbf (feature-proposal/program)	8m 52s
cargo-test-sbf (governance/addin-mock/program, governance/program)	13m 19s
cargo-test-sbf (memo/program)	8m 54s
cargo-test-sbf (name-service/program)	8m 56s
cargo-test-sbf (stake-pool/program)	12m 43s
cargo-test-sbf (single-pool/program)	9m 47s
	2h 49m 17s

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