chore(store/v2): remove auto migration #77944

Job	Run time
split-test-files	10s
test-integration	5m 48s
test-sim-nondeterminism	5m 14s
test-clientv2	26s
test-core	25s
test-coretesting	25s
test-depinject	29s
test-errors	27s
test-math	34s
test-indexer-postgres	26s
test-schema	26s
test-schema-testing	24s
test-collections	26s
test-collections-protocodec	23s
test-orm	28s
test-cosmovisor	36s
test-simapp-v2	6m 0s
test-confix	28s
test-hubl	35s
test-log	27s
test-store-v2	47s
test-store	39s
test-x-accounts	26s
test-x-accounts-base	24s
test-x-accounts-lockup	24s
test-x-accounts-multisig	22s
test-x-circuit	26s
test-x-distribution	34s
test-x-evidence	26s
test-x-feegrant	33s
test-x-nft	25s
test-x-protocolpool	32s
test-x-tx	24s
test-x-bank	25s
test-x-authz	26s
test-x-gov	26s
test-x-group	25s
test-x-mint	26s
test-x-slashing	33s
test-x-staking	25s
test-x-upgrade	35s
test-x-consensus	26s
test-tools-benchmark	41s
test-x-epochs	31s
tests (00)	8m 7s
tests (01)	3m 31s
tests (02)	3m 48s
tests (03)	4m 16s
repo-analysis	41s
	56m 41s

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