tidy up

interfaces/physics_schemes_interface/source/algorithm/pmsl_alg_mod.x90

@@ -16,7 +16,7 @@ module pmsl_alg_mod
   use level_heights_mod,       only: eta_theta_levels
   use sci_geometric_constants_mod,   &
                                only: get_height_fv, get_panel_id, get_dx_at_w2
-  use fs_continuity_mod,       only: Wtheta, W3, W2
+  use fs_continuity_mod,       only: Wtheta, W3
   use function_space_collection_mod, only: function_space_collection
   use function_space_mod,            only: function_space_type
   use mesh_mod,                only: mesh_type
@@ -75,7 +75,6 @@ contains
     type( field_type ), pointer     :: panel_id => null()
 
     type(function_space_type), pointer :: vector_space
-    type(mesh_type), pointer :: mesh
 
     integer(kind=i_def) :: k, levelupper, n, m