initialize_catalog_from_params lists unsupported filetype

[jpober]

Line 885 of simsetup.py says the supported filetypes are:

One of ['skyh5', 'gleam', 'vot', 'text', 'hdf5'] or None.

But it seems this function calls pyradiosky's read, which lists the supported filetypes as:

One of ['skyh5', 'gleam', 'vot', 'text', 'fhd'] or None.

Also, our Gen 2 reference simulations are based to .hdf5 sky maps, which leads to issue since pyradiosky can't read them.