ghc-toolchain: Lower verbosity of configuration
After !10976 (closed) lands, we should lower the default verbosity of ghc-toolchain.
All of the configuration invocations failing might alarm users (c.f. ghc mailing list message about this).
After !10976 (closed) lands, we should lower the default verbosity of ghc-toolchain.
All of the configuration invocations failing might alarm users (c.f. ghc mailing list message about this).