chore(driver-adapters): remove unused pnpm workspace deps (#5513)

Remove the dependencies which are not necessary anymore after
prisma/prisma#27575 from the pnpm workspace.

Author: aqrln

libs/driver-adapters/pnpm-workspace.yaml

@@ -11,6 +11,4 @@ packages:
   - '../../../prisma/packages/client-engine-runtime'
   - '../../../prisma/packages/debug'
   - '../../../prisma/packages/driver-adapter-utils'
-  - '../../../prisma/packages/dmmf'
-  - '../../../prisma/packages/generator'
   - './executor'