remove methods from raster collection
" * `as_df` \n",
"* [`RasterCollection`](/python/api-reference/arcgis.raster.toc.html#rastercollection)\n",
" * Adds methods:\n",
- " * [`merge()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.merge)\n",
- " * [`reduce()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.reduce)\n",
" * [`std()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.std)\n",
- " * [`summarize_field()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.summarize_field)\n",
" * Adds `extent_type` and `cellsize_type` parameters to following methods:\n",
" * [`majority()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.majority)\n",
" * [`max()`](/python/api-reference/arcgis.raster.toc.html#arcgis.raster.RasterCollection.max)\n",
