Remove test case for linux-32.
Remove test case for linux-32.

It is not common to skip in in conda-forge and we don't build against it.
Hence, the provided error message is correct.

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