fix docstring types and remove duplicate line. (#5719)

Author: tkknight

lib/iris/_lazy_data.py

@@ -252,7 +252,7 @@ def as_lazy_data(
     Notes
     -----
     The result chunk size is a multiple of 'chunks', if given, up to the
-    dask default chunksize, i.e. `dask.config.get('array.chunk-size'),
+    dask default chunksize, i.e. `dask.config.get('array.chunk-size')`,
     or the full data shape if that is smaller.
     If 'chunks' is not given, the result has chunks of the full data shape,
     but reduced by a factor if that exceeds the dask default chunksize.

lib/iris/_merge.py

@@ -5,7 +5,7 @@
 """Automatic collation of cubes into higher-dimensional cubes.
 
 Typically the cube merge process is handled by
-:method:`iris.cube.CubeList.merge`.
+:meth:`iris.cube.CubeList.merge`.
 
 """
 

lib/iris/fileformats/_nc_load_rules/helpers.py

@@ -154,7 +154,6 @@
 CF_ATTR_GRID_SCALE_FACTOR_AT_PROJ_ORIGIN = "scale_factor_at_projection_origin"
 CF_ATTR_GRID_SCALE_FACTOR_AT_CENT_MERIDIAN = "scale_factor_at_central_meridian"
 CF_ATTR_GRID_LON_OF_CENT_MERIDIAN = "longitude_of_central_meridian"
-CF_ATTR_GRID_STANDARD_PARALLEL = "standard_parallel"
 CF_ATTR_GRID_PERSPECTIVE_HEIGHT = "perspective_point_height"
 CF_ATTR_GRID_SWEEP_ANGLE_AXIS = "sweep_angle_axis"
 CF_ATTR_GRID_AZIMUTH_CENT_LINE = "azimuth_of_central_line"