[18.0][IMP] product_packaging_level: remove renaming hook

[trisdoan]

This change

• Module was renamed to product_packaging_level from 16.0

  • A hook is added to handle the smooth transition:

    product-attribute/product_packaging_level/hooks.py

    Lines 8 to 25 in 93e4b9c

    	def pre_init_hook(cr):
    	if openupgrade.table_exists(cr, "product_packaging_type"):
    	env = api.Environment(cr, SUPERUSER_ID, {})
    	# Former version of the module is present
    	models = [("product.packaging.type", "product.packaging.level")]
    	openupgrade.rename_models(env.cr, models)
    	fields = [
    	(
    	"product.packaging",
    	"product_packaging",
    	"packaging_type_id",
    	"packaging_level_id",
    	)
    	]
    	openupgrade.rename_fields(env, fields, no_deep=True)
    	modules = [("product_packaging_type", "product_packaging_level")]
    	openupgrade.update_module_names(env.cr, modules, merge_modules=True)

  • The hook has been improved in [16.0][FIX] product_packaging_level: cannot input name with user_defined policy + update rename hook #1809

• We believe we should not carry on this hook forever

  • Keeping this hook is unnecessary as openupgrade would have run it at the 16.0 step
  • the same as we don't keep migrations across versions

[trisdoan]

Hello @rousseldenis , @ChrisOForgeFlow, do you agree with this?