bayestar_localize_coincs: omit method strings from filenames
bayestar_localize_coincs indicates the sky localization
method in output filenames with suffixes like
However, it is very rare to actually run BAYESTAR with any but the
default localization method (
toa_phoa_snr). In the interest of
shorter and more readable filenames, let's omit the method suffix
if the user only requests one method.