Remove lon, lat, and depth from Field class

These variables mainly apply to structured grids. With the new API, they aren't needed in the codebase (we can add this on the repective grid classes if needed).

Author: VeckoTheGecko

parcels/field.py

@@ -10,7 +10,6 @@
 import xarray as xr
 
 from parcels._core.utils.time import TimeInterval
-from parcels._core.utils.unstructured import get_vertical_location_from_dims
 from parcels._reprs import default_repr
 from parcels._typing import (
     Mesh,
@@ -206,41 +205,6 @@ def units(self, value):
             raise ValueError(f"Units must be a UnitConverter object, got {type(value)}")
         self._units = value
 
-    @property
-    def lat(self):
-        if type(self.data) is ux.UxDataArray:
-            if self.data.attrs["location"] == "node":
-                return self.grid.node_lat
-            elif self.data.attrs["location"] == "face":
-                return self.grid.face_lat
-            elif self.data.attrs["location"] == "edge":
-                return self.grid.edge_lat
-        else:
-            return self.grid.lat
-
-    @property
-    def lon(self):
-        if type(self.data) is ux.UxDataArray:
-            if self.data.attrs["location"] == "node":
-                return self.grid.node_lon
-            elif self.data.attrs["location"] == "face":
-                return self.grid.face_lon
-            elif self.data.attrs["location"] == "edge":
-                return self.grid.edge_lon
-        else:
-            return self.grid.lon
-
-    @property
-    def depth(self):
-        if type(self.data) is ux.UxDataArray:
-            vertical_location = get_vertical_location_from_dims(self.data.dims)
-            if vertical_location == "center":
-                return self.grid.nz1
-            elif vertical_location == "face":
-                return self.grid.nz
-        else:
-            return self.grid.depth
-
     @property
     def xdim(self):
         if type(self.data) is xr.DataArray: