message: Mark the Catalogue class for removal in Tink 2.0.
diff: #include "tink/key_manager.h"
  #include "tink/util/statusor.h"
  +// NOLINTBEGIN(whitespace/line_length) (Formatted when commented in)
  +// TINK-PENDING-REMOVAL-IN-2.0.0-START
  namespace crypto {
  namespace tink {
  @@ -42,5 +44,7 @@ class ABSL_DEPRECATED("Catalogues are not supported anymore.") Catalogue {
  } // namespace tink
  } // namespace crypto
  +// TINK-PENDING-REMOVAL-IN-2.0.0-END
  +// NOLINTEND(whitespace/line_length)
  #endif // TINK_CATALOGUE_H_
  