Drop unneeded `team_name` definition
Drop unneeded `team_name` definition

This clashes with `team_name` defined for the feedstock team name. Plus
it doesn't appear to be used elsewhere for the `"all-member"` team. So
just drop the definition and use the literal directly.

conda-forge/conda-smithy,conda-forge/conda-smithy,ocefpaf/conda-smithy,ocefpaf/conda-smithy