Fix misc. problems with the docs

Author: xylar

docs/developers_guide/ocean/api.rst

@@ -442,7 +442,6 @@ isomip_plus
    forward.Forward.setup
    forward.Forward.run
 
-   geom.define_thin_film_mask_step1
    geom.interpolate_ocean_mask
    geom.interpolate_geom
 

docs/developers_guide/ocean/test_groups/isomip_plus.rst

@@ -1,7 +1,7 @@
 .. _dev_ocean_isomip_plus:
 
 isomip_plus
-============
+===========
 
 The ``isomip_plus`` test group
 (:py:class:`compass.ocean.tests.isomip_plus.IsomipPlus`) implements variants
@@ -68,7 +68,7 @@ changing ice-shelf topography.  Variables are renamed to those expected by
 MPAS-Ocean.
 
 planar_mesh
-~~~~~~~~~
+~~~~~~~~~~~
 
 The class :py:class:`compass.ocean.tests.isomip_plus.planar_mesh.PlanarMesh`
 defines a step for generating a planar mesh.
@@ -78,7 +78,7 @@ cull_mesh
 
 The class :py:class:`compass.ocean.tests.isomip_plus.cull_mesh.CullMesh`
 defines a step for culling the mesh to include only ocean cells, with or
-without a thin film depending on the test. 
+without a thin film depending on the test.
 
 initial_state
 ~~~~~~~~~~~~~