message: cosmwasm-stargate: Remove launchpad dependency
diff: "@cosmjs/cosmwasm-launchpad": "^0.25.0-alpha.1",
  "@cosmjs/crypto": "^0.25.0-alpha.1",
  "@cosmjs/encoding": "^0.25.0-alpha.1",
  - "@cosmjs/launchpad": "^0.25.0-alpha.1",
  "@cosmjs/math": "^0.25.0-alpha.1",
  "@cosmjs/proto-signing": "^0.25.0-alpha.1",
  "@cosmjs/stargate": "^0.25.0-alpha.1",
  