class_docstr: NWCSAF PPS&MSG NetCDF reader.
docstr: Remove time dimension from dataset.
docstr_tok: ["Remove","time","dimension","from","dataset","."]
code: def remove_timedim(self, var):
      """Remove time dimension from dataset."""
      if self.pps and var.dims[0] == "time":
          data = var[0, :, :]
          data.attrs = var.attrs
          var = data
      return var
  
imports: import functools
  import logging
  import os
  from contextlib import suppress
  from datetime import datetime
  import dask.array
  import numpy
  import xarray
  from pyproj import CRS
  from pyresample.geometry import AreaDefinition
  from satpy.readers.file_handlers import BaseFileHandler
  from satpy.readers.utils import unzip_file
  from satpy.utils import get_chunk_size_limit
label_desc: Use image node_id 3 for calling the NcNWCSAF obj's underlying member method code with example usage: obj.remove_timedim(var) and returns: var