chore: remove Buildkite remnants and dead workflows (#5185) #9833

Job	Run time
Build Gate (Windows Tests)	1m 24s
Build Release Package (Windows)	1m 34s
Upload wallet-test-utils	24s
Upload wallet-primitive	40s
Upload delta-table	38s
Upload cardano-numeric	27s
Upload delta-chain	22s
Upload wallet-network-layer	35s
Upload wallet-blackbox-benchmarks	36s
Upload wai-middleware-logging	28s
Upload std-gen-seed	24s
Upload wallet-secrets	36s
Upload delta-store	23s
Upload wallet-launcher	26s
Upload wallet-unit	1m 7s
Upload cardano-balance-tx	37s
Upload delta-types	24s
cardano-numeric	5s
wallet-unit / Shelley	1s
wallet-unit / Primitive	5s
wallet-unit / Api	1s
wallet-test-utils	6s
wallet-primitive	1s
wallet-network-layer	1s
delta-chain	1s
wallet-unit / DB	5s
wallet-secrets	6s
delta-table	6s
wallet-unit / Address	5s
wai-middleware-logging	1s
delta-types	6s
wallet-unit / Other Wallet	1s
wallet-unit / Byron + CLI	5s
wallet-unit / Control + Data	6s
wallet-launcher	1s
wallet-unit / Balance	1s
wallet-unit / DB.Sqlite + Pool	1s
cardano-balance-tx	1s
std-gen-seed	1s
wallet-blackbox-benchmarks	1s
delta-store	1s
	12m 14s

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