Remove setting of converters

Author: VeckoTheGecko

src/parcels/_core/fieldset.py

@@ -10,7 +10,6 @@
 import xarray as xr
 import xgcm
 
-from parcels._core.converters import Geographic, GeographicPolar
 from parcels._core.field import Field, VectorField
 from parcels._core.utils import sgrid
 from parcels._core.utils.string import _assert_str_and_python_varname
@@ -384,11 +383,6 @@ def from_sgrid_conventions(
             fields[varname] = Field(varname, ds[varname], grid, XLinear)
 
         fieldset = cls(list(fields.values()))
-        if mesh == "spherical":
-            if "U" in fieldset.fields:
-                fieldset.U.units = GeographicPolar()
-            if "V" in fieldset.fields:
-                fieldset.V.units = Geographic()
         return fieldset
 
 

tests/test_advection.py

@@ -438,12 +438,7 @@ def test_nemo_curvilinear_fieldset():
     "kernel",
     [
         AdvectionRK4,
-        pytest.param(
-            AdvectionRK4_3D,
-            marks=pytest.mark.xfail(
-                reason="from_nemo had 'fieldset.V.units = GeographicPolar()', I'm not sure _why_ this code is needed to get this to pass. To be further investigated.",
-            ),
-        ),
+        AdvectionRK4_3D,
     ],
 )
 def test_nemo_3D_curvilinear_fieldset(kernel):