Cleanup docstrings

Co-authored-by: Brigitta Sipőcz <b.sipocz@gmail.com>

Author: bsipocz

astroquery/ipac/irsa/most.py

@@ -274,8 +274,6 @@ def get_images(self, catalog="wise_merge", input_mode="name_input", ephem_step=0
         obj_naifid : str or None
             Object NAIF ID.
             Required when input mode is ``"naifid_input"``.
-        obj_nafid : str or None
-            Deprecated name for ``obj_naifid``.
         obj_type : str or None
             Object type, ``"Asteroid"`` or ``Comet``.
             Required when input mode is ``"mpc_input"`` or ``"manual_input"``.
@@ -454,8 +452,6 @@ def query_object(self, catalog="wise_merge", input_mode="name_input", output_mod
         obj_naifid : str or None
             Object NAIF ID.
             Required when input mode is ``"naifid_input"``.
-        obj_nafid : str or None
-            Deprecated name for ``obj_naifid``.
         obj_type : str or None
             Object type, ``"Asteroid"`` or ``Comet``
             Required when input mode is ``"mpc_input"`` or ``"manual_input"``.