delete_mapbox_layer command not yet documented

[chiatt]

describe the issue

The command for adding a mapbox layer is documented, but not delete_mapbox_layer. Users can delete with the following:

python manage.py packages -o delete_mapbox_layer -n "name of map layer to be deleted"

please add links to existing docs or code (if relevant)

https://arches.readthedocs.io/en/stable/developing/reference/command-line-reference/#mapbox https://arches.readthedocs.io/en/stable/developing/extending/creating-new-map-layers/#mapbox-layers

which release does this issue concern?

All - The command should be the same in all 6.2 - 7.x versions.

[ekansa]

Updated all branches back to 6.2! Thanks for the heads up @chiatt !